Keith A. Wesnes

Selective effects of upper respiratory tract infection on cognition, mood and emotion processing: A prospective study (2008)

Bucks, Romola. S., Gidron, Yori, Harris, Petra, Teeling, Jessica, Wesnes, Keith. A., Perry, V. Hugh

Observational and experimentally induced infection studies show that upper respiratory tract infections (URTI) affect mood and cognition. This study tested the effects of naturally occurring URTI on...

Assessing change in cognitive function in dementia : the relative utilities of the Alzheimer's Disease Assessment Scale-Cognitive Subscale and the Cognitive Drug Research system (2008)

Wesnes, Keith A.

This paper considers the suitability of the Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-cog) as the gold standard in registration trials of treatments for Alzheimer's disease....

The cognitive effects of modulating the glycine site of the NMDA receptor with high-dose glycine in healthy controls (2008)

Palmer, Colin, Ellis, Kathryn A., O'Neill, Barry V., Croft, Rodney J., Leung, Sumie, Oliver, Chris, ...

N-methyl-D-aspartate (NMDA) receptors play an important role in learning and memory. Targeting the glycine modulatory site of the NMDA receptor has been suggested as a therapeutic strategy to improve...

An extract of Salvia (sage) with anticholinesterase properties improves memory and attention in healthy older volunteers (2008)

Scholey, Andrew B., Tildesley, Nicola T. J., Ballard, Clive G., Wesnes, Keith A., Tasker, Andrea, Perry, Elaine K., ...

Species of Salvia (sage) have a long-standing reputation in European medical herbalism, including for memory enhancement. In recent controlled trials, administration of sage extracts with established...

Assessing change in cognitive function in dementia : the relative utilities of the Alzheimer's Disease Assessment Scale-Cognitive Subscale and the Cognitive Drug Research system (2008)

Wesnes, Keith A.

This paper considers the suitability of the Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-cog) as the gold standard in registration trials of treatments for Alzheimer's disease....

The cognitive effects of modulating the glycine site of the NMDA receptor with high-dose glycine in healthy controls (2008)

Palmer, Colin, Ellis, Kathryn A., O'Neill, Barry V., Croft, Rodney J., Leung, Sumie, Oliver, Chris, ...

N-methyl-D-aspartate (NMDA) receptors play an important role in learning and memory. Targeting the glycine modulatory site of the NMDA receptor has been suggested as a therapeutic strategy to improve...

An extract of Salvia (sage) with anticholinesterase properties improves memory and attention in healthy older volunteers (2008)

Scholey, Andrew B., Tildesley, Nicola T. J., Ballard, Clive G., Wesnes, Keith A., Tasker, Andrea, Perry, Elaine K., ...

Species of Salvia (sage) have a long-standing reputation in European medical herbalism, including for memory enhancement. In recent controlled trials, administration of sage extracts with established...

Smart drugs (2008)

Wesnes, Keith A.

Keith Wesnes of Cognitive Drug Research (CDR) examines some of the key issues facing the development of cognition enhancers, looking at the benefits they can have for a variety of mental attributes.

Smart drugs (2008)

Wesnes, Keith A.

Keith Wesnes of Cognitive Drug Research (CDR) examines some of the key issues facing the development of cognition enhancers, looking at the benefits they can have for a variety of mental attributes.

The cognitive effects of modulating the glycine site of the NMDA receptor with high-dose glycine in healthy controls (2008)

Palmer, Colin, Ellis, Kathryn A., O'Neill, Barry V., Croft, Rodney J., Leung, Sumie, Oliver, Chris, ...

N-methyl-D-aspartate (NMDA) receptors play an important role in learning and memory. Targeting the glycine modulatory site of the NMDA receptor has been suggested as a therapeutic strategy to improve...

Assessing change in cognitive function in dementia : the relative utilities of the Alzheimer's Disease Assessment Scale-Cognitive Subscale and the Cognitive Drug Research system (2008)

Wesnes, Keith A.

This paper considers the suitability of the Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-cog) as the gold standard in registration trials of treatments for Alzheimer's disease....

An extract of Salvia (sage) with anticholinesterase properties improves memory and attention in healthy older volunteers (2008)

Scholey, Andrew B., Tildesley, Nicola T. J., Ballard, Clive G., Wesnes, Keith A., Tasker, Andrea, Perry, Elaine K., ...

Species of Salvia (sage) have a long-standing reputation in European medical herbalism, including for memory enhancement. In recent controlled trials, administration of sage extracts with established...

Smart drugs (2008)

Wesnes, Keith A.

Keith Wesnes of Cognitive Drug Research (CDR) examines some of the key issues facing the development of cognition enhancers, looking at the benefits they can have for a variety of mental attributes.

The cognitive effects of modulating the glycine site of the NMDA receptor with high-dose glycine in healthy controls (2008)

Palmer, Colin, Ellis, Kathryn A., O'Neill, Barry V., Croft, Rodney J., Leung, Sumie, Oliver, Chris, ...

N-methyl-D-aspartate (NMDA) receptors play an important role in learning and memory. Targeting the glycine modulatory site of the NMDA receptor has been suggested as a therapeutic strategy to improve...

Assessing change in cognitive function in dementia : the relative utilities of the Alzheimer's Disease Assessment Scale-Cognitive Subscale and the Cognitive Drug Research system (2008)

Wesnes, Keith A.

This paper considers the suitability of the Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-cog) as the gold standard in registration trials of treatments for Alzheimer's disease....

Smart drugs (2008)

Wesnes, Keith A.

Keith Wesnes of Cognitive Drug Research (CDR) examines some of the key issues facing the development of cognition enhancers, looking at the benefits they can have for a variety of mental attributes.

An examination of the effects of the antioxidant Pycnogenol® on cognitive performance, serum lipid profile, endocrinological and oxidative stress biomarkers in an elderly population (2008)

Ryan, J., Croft, K., Mori, T., Wesnes, Keith A., Spong, Jo, Downey, Luke A., ...

The study examines the effects of the antioxidant flavonoid Pycnogenol on a range of cognitive and biochemical measures in healthy elderly individuals. The study used a double-blind,...

Estradiol treatment and its interaction with the cholinergic system: effects on cognitive function in healthy young women (2008)

Bartholomeusz, Cali F., Wesnes, Keith A., Kulkarni, Jayashri, Vitetta, Luis, Croft, Rodney J., Nathan, Pradeep J.

The steroid hormone estradiol has been shown to modulate cognitive function in both animals and humans, and although the exact mechanisms associated with these effects are unknown, interactions with...

The effects of l-theanine, caffeine and their combination on cognition and mood (2008)

Haskell, Crystal F., Kennedy, David O., Milne, Anthea, Wesnes, Keith A., Scholey, Andrew B.

l-Theanine is an amino acid found naturally in tea. Despite the common consumption of l-theanine, predominantly in combination with caffeine in the form of tea, only one study to date has examined...

An extract of Salvia (sage) with anticholinesterase properties improves memory and attention in healthy older volunteers (2008)

Scholey, Andrew B., Tildesley, Nicola T. J., Ballard, Clive G., Wesnes, Keith A., Tasker, Andrea, Perry, Elaine K., ...

Species of Salvia (sage) have a long-standing reputation in European medical herbalism, including for memory enhancement. In recent controlled trials, administration of sage extracts with established...

The cognitive effects of modulating the glycine site of the NMDA receptor with high-dose glycine in healthy controls (2008)

Palmer, Colin, Ellis, Kathryn A., O'Neill, Barry V., Croft, Rodney J., Leung, Sumie, Oliver, Chris, ...

N-methyl-D-aspartate (NMDA) receptors play an important role in learning and memory. Targeting the glycine modulatory site of the NMDA receptor has been suggested as a therapeutic strategy to improve...

Assessing change in cognitive function in dementia : the relative utilities of the Alzheimer's Disease Assessment Scale-Cognitive Subscale and the Cognitive Drug Research system (2008)

Wesnes, Keith A.

This paper considers the suitability of the Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-cog) as the gold standard in registration trials of treatments for Alzheimer's disease....

Smart drugs (2008)

Wesnes, Keith A.

Keith Wesnes of Cognitive Drug Research (CDR) examines some of the key issues facing the development of cognition enhancers, looking at the benefits they can have for a variety of mental attributes.

An examination of the effects of the antioxidant Pycnogenol® on cognitive performance, serum lipid profile, endocrinological and oxidative stress biomarkers in an elderly population (2008)

Ryan, J., Croft, K., Mori, T., Wesnes, Keith A., Spong, Jo, Downey, Luke A., ...

The study examines the effects of the antioxidant flavonoid Pycnogenol on a range of cognitive and biochemical measures in healthy elderly individuals. The study used a double-blind,...

Estradiol treatment and its interaction with the cholinergic system: effects on cognitive function in healthy young women (2008)

Bartholomeusz, Cali F., Wesnes, Keith A., Kulkarni, Jayashri, Vitetta, Luis, Croft, Rodney J., Nathan, Pradeep J.

The steroid hormone estradiol has been shown to modulate cognitive function in both animals and humans, and although the exact mechanisms associated with these effects are unknown, interactions with...

The effects of l-theanine, caffeine and their combination on cognition and mood (2008)

Haskell, Crystal F., Kennedy, David O., Milne, Anthea, Wesnes, Keith A., Scholey, Andrew B.

l-Theanine is an amino acid found naturally in tea. Despite the common consumption of l-theanine, predominantly in combination with caffeine in the form of tea, only one study to date has examined...

A double-blind, placebo-controlled, multi-dose evaluation of the acute behavioural effects of guarana in humans (2007)

Haskell, Crystal F., Kennedy, David O., Wesnes, Keith A., Milne, A. L., Scholey, A. B.

The present study aimed to systematically assess acute, dose-related behavioural effects of an extract of guarana plant for the first time in humans. This double-blind, counterbalanced,...

A low glycaemic index breakfast cereal preferentially prevents children's cognitive performance from declining throughout the morning (2007)

Ingwersen, Jeanet, Defeyter, Margaret A., Kennedy, David O., Wesnes, Keith A., Scholey, Andrew B.

This study investigated whether the glycaemic index (GI) of breakfast cereal differentially affects children's attention and memory. Using a balanced cross-over design, on two consecutive mornings 64...

A double-blind, placebo-controlled, multi-dose evaluation of the acute behavioural effects of guarana in humans (2007)

Haskell, Crystal F., Kennedy, David O., Wesnes, Keith A., Milne, A. L., Scholey, A. B.

The present study aimed to systematically assess acute, dose-related behavioural effects of an extract of guarana plant for the first time in humans. This double-blind, counterbalanced,...

A low glycaemic index breakfast cereal preferentially prevents children's cognitive performance from declining throughout the morning (2007)

Ingwersen, Jeanet, Defeyter, Margaret A., Kennedy, David O., Wesnes, Keith A., Scholey, Andrew B.

This study investigated whether the glycaemic index (GI) of breakfast cereal differentially affects children's attention and memory. Using a balanced cross-over design, on two consecutive mornings 64...

Effects of acute macronutrient ingestion on cognition and mood. (2006)

Jones , Emma, Sünram-Lea, Sandra I., Fairley, Suzie, Wesnes, Keith A.

A wide range of studies have demonstrated that glucose and/or carbohydrate ingestion can facilitate certain aspects of cognitive performance in healthy young humans (e.g. Kennedy & Scholey, 2000;...

Muscarinic and nicotinic receptors synergistically modulate working memory and attention in humans (2006)

Ellis, Julia R., Ellis, Kathryn A., Bartholomeusz, Cali F., Harrison, Ben J., Wesnes, Keith A., Erskine, Fiona F., ...

Functional abnormalities in muscarinic and nicotinic receptors are associated with a number of disorders including Alzheimer's disease and schizophrenia. While the contribution of muscarinic...

Muscarinic and nicotinic receptors synergistically modulate working memory and attention in humans (2006)

Ellis, Julia R., Ellis, Kathryn A., Bartholomeusz, Cali F., Harrison, Ben J., Wesnes, Keith A., Erskine, Fiona F., ...

Functional abnormalities in muscarinic and nicotinic receptors are associated with a number of disorders including Alzheimer's disease and schizophrenia. While the contribution of muscarinic...

Muscarinic and nicotinic receptors synergistically modulate working memory and attention in humans (2006)

Ellis, Julia R., Ellis, Kathryn A., Bartholomeusz, Cali F., Harrison, Ben J., Wesnes, Keith A., Erskine, Fiona F., ...

Functional abnormalities in muscarinic and nicotinic receptors are associated with a number of disorders including Alzheimer's disease and schizophrenia. While the contribution of muscarinic...

Muscarinic and nicotinic receptors synergistically modulate working memory and attention in humans (2006)

Ellis, Julia R., Ellis, Kathryn A., Bartholomeusz, Cali F., Harrison, Ben J., Wesnes, Keith A., Erskine, Fiona F., ...

Functional abnormalities in muscarinic and nicotinic receptors are associated with a number of disorders including Alzheimer's disease and schizophrenia. While the contribution of muscarinic...

Muscarinic and nicotinic receptors synergistically modulate working memory and attention in humans (2006)

Ellis, Julia R., Ellis, Kathryn A., Bartholomeusz, Cali F., Harrison, Ben J., Wesnes, Keith A., Erskine, Fiona F., ...

Functional abnormalities in muscarinic and nicotinic receptors are associated with a number of disorders including Alzheimer’s disease and schizophrenia. While the contribution of muscarinic...

Muscarinic and nicotinic receptors synergistically modulate working memory and attention in humans (2006)

Ellis, Julia R., Ellis, Kathryn A., Bartholomeusz, Cali F., Harrison, Ben J., Wesnes, Keith A., Erskine, Fiona F., ...

Functional abnormalities in muscarinic and nicotinic receptors are associated with a number of disorders including Alzheimer's disease and schizophrenia. While the contribution of muscarinic...

Cognitive and mood improvements of caffeine in habitual consumers and habitual non-consumers of caffeine (2005)

Haskell, Crystal F., Kennedy, David O., Wesnes, Keith A., Scholey, Andrew B.

Rationale: The cognitive and mood effects of caffeine are well documented. However, the majority of studies in this area involve caffeine-deprived, habitual caffeine users. It is therefore unclear...

Positive modulation of mood and cognitive performance following administration of acute doses of Salvia lavandulaefolia essential oil to healthy young volunteers (2005)

Tildesley, Nicola T. J., Kennedy, David O., Perry, Elaine K., Ballard, C. G., Wesnes, Keith A., Scholey, A. B.

Members of the Sage family, such as Salvia officinalis and Salvia lavandulaefolia, have a long history of use as memory-enhancing agents coupled with cholinergic properties that may potentially be...

Combined D1/D2 receptor stimulation under conditions of dopamine depletion impairs spatial working memory performance in humans (2005)

ELLIS, KATHRYN A, MEHTA, MITUL A, WESNES, KEITH A, ARMSTRONG, STUART, NATHAN, PRADEEP J

RATIONALE: The mesocortical dopamine system is regarded as an important modulator of working memory. While it has been established that stimulation of the D1/D2 receptor in primates can improve...

Cognitive and mood improvements of caffeine in habitual consumers and habitual non-consumers of caffeine (2005)

Haskell, Crystal F., Kennedy, David O., Wesnes, Keith A., Scholey, Andrew B.

Rationale: The cognitive and mood effects of caffeine are well documented. However, the majority of studies in this area involve caffeine-deprived, habitual caffeine users. It is therefore unclear...

Positive modulation of mood and cognitive performance following administration of acute doses of Salvia lavandulaefolia essential oil to healthy young volunteers (2005)

Tildesley, Nicola T. J., Kennedy, David O., Perry, Elaine K., Ballard, C. G., Wesnes, Keith A., Scholey, A. B.

Members of the Sage family, such as Salvia officinalis and Salvia lavandulaefolia, have a long history of use as memory-enhancing agents coupled with cholinergic properties that may potentially be...

Combined D1/D2 receptor stimulation under conditions of dopamine depletion impairs spatial working memory performance in humans (2005)

ELLIS, KATHRYN A, MEHTA, MITUL A, WESNES, KEITH A, ARMSTRONG, STUART, NATHAN, PRADEEP J

RATIONALE: The mesocortical dopamine system is regarded as an important modulator of working memory. While it has been established that stimulation of the D1/D2 receptor in primates can improve...

The effects of protective helmet use on physiology and cognition in young cricketers (2004)

Neave, Nick J., Emmett, John., Moss, Mark C., Ayton, Rebecca, Scholey, Andrew, Wesnes, Keith A.

Many studies have reported physiological and cognitive decrements following heat stress. Of particular concern in cricket are the possible negative effects of sustained protective helmet use, as this...

Improved cognitive performance in human volunteers following administration of guarana (Paullinia cupana) extract: comparison and interaction with Panax ginseng (2004)

Kennedy, David O., Haskell, Crystal F., Wesnes, Keith A., Scholey, A. B.

Extracts from the plant guarana (Paullinia cupana) feature as putatively stimulating ingredients in a number of foods, drinks and dietary/herbal supplements. To date, little research in humans has...

The effects of protective helmet use on physiology and cognition in young cricketers (2004)

Neave, Nick J., Emmett, John., Moss, Mark C., Ayton, Rebecca, Scholey, Andrew, Wesnes, Keith A.

Many studies have reported physiological and cognitive decrements following heat stress. Of particular concern in cricket are the possible negative effects of sustained protective helmet use, as this...

Improved cognitive performance in human volunteers following administration of guarana (Paullinia cupana) extract: comparison and interaction with Panax ginseng (2004)

Kennedy, David O., Haskell, Crystal F., Wesnes, Keith A., Scholey, A. B.

Extracts from the plant guarana (Paullinia cupana) feature as putatively stimulating ingredients in a number of foods, drinks and dietary/herbal supplements. To date, little research in humans has...

Salvia lavandulaefolia (Spanish Sage) enhances memory in healthy young volunteers (2003)

Tildesley, N. T. J., Kennedy, David O., Perry, Elaine K., Ballard, Clive G., Savelev, S., Wesnes, Keith A., ...

Sage (Salvia) has a longstanding reputation in British herbal encyclopaedias as an agent that enhances memory, although there is little evidence regarding the efficacy of sage from systematized...

Modulation of mood and cognitive performance following acute administration of single doses of Melissa officinalis (Lemon balm) with human CNS nicotinic and muscarinic receptor-binding properties (2003)

Kennedy, David O., Wake, G., Savelev, S., Tildesley, Nicola T. J., Perry, Elaine K., Wesnes, Keith A., ...

Melissa officinalis (Lemon balm) is a herbal medicine that has traditionally been attributed with memory-enhancing properties, but which is currently more widely used as a mild sedative and sleep...

Salvia lavandulaefolia (Spanish Sage) enhances memory in healthy young volunteers (2003)

Tildesley, N. T. J., Kennedy, David O., Perry, Elaine K., Ballard, Clive G., Savelev, S., Wesnes, Keith A., ...

Sage (Salvia) has a longstanding reputation in British herbal encyclopaedias as an agent that enhances memory, although there is little evidence regarding the efficacy of sage from systematized...

Modulation of mood and cognitive performance following acute administration of single doses of Melissa officinalis (Lemon balm) with human CNS nicotinic and muscarinic receptor-binding properties (2003)

Kennedy, David O., Wake, G., Savelev, S., Tildesley, Nicola T. J., Perry, Elaine K., Wesnes, Keith A., ...

Melissa officinalis (Lemon balm) is a herbal medicine that has traditionally been attributed with memory-enhancing properties, but which is currently more widely used as a mild sedative and sleep...

The effect of glucose administration and the emotional content of words on heart rate and memory (2002)

Ford, Claire, Scholey, Andrew B., Ayre, Gareth, Wesnes, Keith A.

The effects of glucose administration and emotionality of target material on heart rate and memory were examined in a double-blind, placebo-controlled, balanced crossover study. Memory for neutral...

Validation of a telephone cognitive assessment test battery for use in chronic fatigue syndrome (2002)

McCue, Patricia M., Scholey, A. B., Herman, C., Wesnes, Keith A.

We compared a computerized version of the Cognitive Drug Research (CDR) cognitive assessment test battery and a completely automated telephone version of the same battery. These assessed aspects of...

A randomised crossover trial of post-operative cognitive and psychomotor recovery from benzodiazepine sedation: effects of reversal with flumazenil over a prolonged recovery period (2002)

Girdler, Nicholas Martin, Fairbrother, K. J., Lyne, J. P., Neave, Nick J., Scholey, A., Hargaden, N., ...

Objective: To study the post-operative cognitive and psychomotor recovery from midazolam conscious sedation, after reversal with the benzodiazepine antagonist flumazenil over a prolonged recovery...

Modulation of mood and cognitive performance following acute administration of Melissa officinalis (lemon balm) (2002)

Kennedy, David O., Scholey, Andrew B., Tildesley, Nicola T. J., Perry, Elaine K., Wesnes, Keith A.

Melissa officinalis (lemon balm) is a traditional herbal medicine, which enjoys contemporary usage as a mild sedative, spasmolytic and antibacterial agent. It has been suggested, in light of in vitro...

Modulation of cognition and mood following administration of single doses of Ginkgo biloba, ginseng, and a ginkgo/ginseng combination to healthy young adults (2002)

Kennedy, David O., Scholey, A. B., Wesnes, Keith A.

It has previously been demonstrated in separate studies that single doses of Ginkgo biloba, Panax ginseng, and a combination of the two extracts can improve different aspects of cognitive performance...

A randomised, controlled trial of cognitive and psychomotor recovery from midazolam sedation following reversal with oral flumazenil (2002)

Girdler, Nicholas Martin, Lyne, J. P., Wallace, R., Neave, Nick J., Scholey, A., Wesnes, Keith A., ...

SummaryFlumazenil is traditionally administered intravenously to reverse the adverse effects of over sedation with benzodiazepines. The aim of this study was to test postoperative cognitive and...

The effect of glucose administration and the emotional content of words on heart rate and memory (2002)

Ford, Claire, Scholey, Andrew B., Ayre, Gareth, Wesnes, Keith A.

The effects of glucose administration and emotionality of target material on heart rate and memory were examined in a double-blind, placebo-controlled, balanced crossover study. Memory for neutral...

Validation of a telephone cognitive assessment test battery for use in chronic fatigue syndrome (2002)

McCue, Patricia M., Scholey, A. B., Herman, C., Wesnes, Keith A.

We compared a computerized version of the Cognitive Drug Research (CDR) cognitive assessment test battery and a completely automated telephone version of the same battery. These assessed aspects of...

A randomised crossover trial of post-operative cognitive and psychomotor recovery from benzodiazepine sedation: effects of reversal with flumazenil over a prolonged recovery period (2002)

Girdler, Nicholas Martin, Fairbrother, K. J., Lyne, J. P., Neave, Nick J., Scholey, A., Hargaden, N., ...

Objective: To study the post-operative cognitive and psychomotor recovery from midazolam conscious sedation, after reversal with the benzodiazepine antagonist flumazenil over a prolonged recovery...

Modulation of mood and cognitive performance following acute administration of Melissa officinalis (lemon balm) (2002)

Kennedy, David O., Scholey, Andrew B., Tildesley, Nicola T. J., Perry, Elaine K., Wesnes, Keith A.

Melissa officinalis (lemon balm) is a traditional herbal medicine, which enjoys contemporary usage as a mild sedative, spasmolytic and antibacterial agent. It has been suggested, in light of in vitro...

Modulation of cognition and mood following administration of single doses of Ginkgo biloba, ginseng, and a ginkgo/ginseng combination to healthy young adults (2002)

Kennedy, David O., Scholey, A. B., Wesnes, Keith A.

It has previously been demonstrated in separate studies that single doses of Ginkgo biloba, Panax ginseng, and a combination of the two extracts can improve different aspects of cognitive performance...

A randomised, controlled trial of cognitive and psychomotor recovery from midazolam sedation following reversal with oral flumazenil (2002)

Girdler, Nicholas Martin, Lyne, J. P., Wallace, R., Neave, Nick J., Scholey, A., Wesnes, Keith A., ...

SummaryFlumazenil is traditionally administered intravenously to reverse the adverse effects of over sedation with benzodiazepines. The aim of this study was to test postoperative cognitive and...

Differential, dose dependent changes in cognitive performance following acute administration of a Ginkgo biloba/Panax ginseng combination to healthy young volunteers (2001)

Kennedy, David O., Scholey, A. B., Wesnes, Keith A.

We have previously shown differential cognitive improvements following single doses of Ginkgo biloba and of Ginseng. There is also evidence that chronic administration of a combination of...

Dose dependent changes in cognitive performance and mood following acute administration of Ginseng to healthy young volunteers (2001)

Kennedy, David O., Scholey, A. B., Wesnes, Keith A.

Recent evidence suggests that chronic administration of Ginseng can improve cognitive performance in animals and in humans. No previous study has examined the possibility of cognitive effects...

Differential, dose dependent changes in cognitive performance following acute administration of a Ginkgo biloba/Panax ginseng combination to healthy young volunteers (2001)

Kennedy, David O., Scholey, A. B., Wesnes, Keith A.

We have previously shown differential cognitive improvements following single doses of Ginkgo biloba and of Ginseng. There is also evidence that chronic administration of a combination of...

Dose dependent changes in cognitive performance and mood following acute administration of Ginseng to healthy young volunteers (2001)

Kennedy, David O., Scholey, A. B., Wesnes, Keith A.

Recent evidence suggests that chronic administration of Ginseng can improve cognitive performance in animals and in humans. No previous study has examined the possibility of cognitive effects...

Dose-dependent effects of flumazenil on cognition, mood, and cardio-respiratory physiology in healthy volunteers (2000)

Neave, Nick J., Reid, C., Scholey, A. B., Thompson, J. M., Moss, Mark C., Ayre, G., ...

Objectives: To assess the possible effects of flumazenil on cognitive processing, physiology, and mood. Design: A double-blind, placebo controlled, four-way cross-over study, using healthy...

The dose-dependent cognitive effects of acute administration of Ginkgo biloba to healthy young volunteers (2000)

Kennedy, David O., Scholey, Andrew B., Wesnes, Keith A.

Rationale: Chronic administration of extracts from the leaves of the tree Ginkgo biloba is known to improve aspects of cognitive performance. However, little is known about the effects of acute doses...

Dose-dependent effects of flumazenil on cognition, mood, and cardio-respiratory physiology in healthy volunteers (2000)

Neave, Nick J., Reid, C., Scholey, A. B., Thompson, J. M., Moss, Mark C., Ayre, G., ...

Objectives: To assess the possible effects of flumazenil on cognitive processing, physiology, and mood. Design: A double-blind, placebo controlled, four-way cross-over study, using healthy...

The dose-dependent cognitive effects of acute administration of Ginkgo biloba to healthy young volunteers (2000)

Kennedy, David O., Scholey, Andrew B., Wesnes, Keith A.

Rationale: Chronic administration of extracts from the leaves of the tree Ginkgo biloba is known to improve aspects of cognitive performance. However, little is known about the effects of acute doses...

Cognitive properties of sedation agents: comparison of the effects of nitrous oxide and midazolam on memory and mood (1999)

Thompson, J. M., Neave, Nick J., Moss, Mark C., Scholey, A. B., Wesnes, Keith A., Girdler, Nicholas Martin

Objectives: To compare the effects of nitrous oxide and midazolam on cognition and mood. Design: A three-way, counterbalanced, cross-over study, using patients receiving conscious sedation for...

Cognitive performance, hyperoxia, and heart rate following oxygen administration in healthy young adults (1999)

Scholey, Andrew B., Moss, Mark C., Neave, Nick J., Wesnes, Keith A.

It was recently established that supplemental oxygen administration significantly enhances memory formation in healthy young adults. In the present study, a double-blind, placebo-controled design was...

Cognitive properties of sedation agents: comparison of the effects of nitrous oxide and midazolam on memory and mood (1999)

Thompson, J. M., Neave, Nick J., Moss, Mark C., Scholey, A. B., Wesnes, Keith A., Girdler, Nicholas Martin

Objectives: To compare the effects of nitrous oxide and midazolam on cognition and mood. Design: A three-way, counterbalanced, cross-over study, using patients receiving conscious sedation for...

Cognitive performance, hyperoxia, and heart rate following oxygen administration in healthy young adults (1999)

Scholey, Andrew B., Moss, Mark C., Neave, Nick J., Wesnes, Keith A.

It was recently established that supplemental oxygen administration significantly enhances memory formation in healthy young adults. In the present study, a double-blind, placebo-controled design was...

Oxygen administration selectively enhances cognitive performance in healthy young adults: a placebo-controlled double-blind crossover study (1998)

Moss, Mark C., Scholey, Andrew B., Wesnes, Keith A.

It was recently demonstrated that oxygen administration can improve performance on a simple word recall task in healthy young adults. This study was aimed at determining the impact of various...

Oxygen and cognitive performance: the temporal relationship between hyperoxia and enhanced memory (1998)

Scholey, Andrew B., Moss, Mark C., Wesnes, Keith A.

Oxygen administration coinciding with word presentation enhances word recall in humans, suggesting that elevated levels of circulating blood oxygen may be available to neural memory consolidation...

Oxygen administration selectively enhances cognitive performance in healthy young adults: a placebo-controlled double-blind crossover study (1998)

Moss, Mark C., Scholey, Andrew B., Wesnes, Keith A.

It was recently demonstrated that oxygen administration can improve performance on a simple word recall task in healthy young adults. This study was aimed at determining the impact of various...

Oxygen and cognitive performance: the temporal relationship between hyperoxia and enhanced memory (1998)

Scholey, Andrew B., Moss, Mark C., Wesnes, Keith A.

Oxygen administration coinciding with word presentation enhances word recall in humans, suggesting that elevated levels of circulating blood oxygen may be available to neural memory consolidation...

Armodafinil for Treatment of Excessive Sleepiness Associated With Shift Work Disorder: A Randomized Controlled Study

Czeisler, Charles A., Walsh, James K., Wesnes, Keith A., Arora, Sanjay, Roth, Thomas

OBJECTIVE: To assess the effect of armodafinil, 150 mg, on the physiologic propensity for sleep and cognitive performance during usual night shift hours in patients with excessive sleepiness...