David Howard

Continuous Actions in Continuous Space and Time using Self-Adaptive Constructivism in Neural XCSF (2009)

David Howard, Larry Bull, Pier Luca Lanzi

This paper presents a Learning Classifier System (LCS) where each classifier condition is represented by a feed-forward multilayered perceptron network. Adaptive behavior is realized through the use...

Movement variability in stroke patients and controls performing two upper limb functional tasks: a new assessment methodology (2009)

Thies, Sibylle B, Tresadern, Phil A, Kenney, Laurence P, Smith, Joel, Howard, David, Goulermas, John Y, ...

Abstract Background In the evaluation of upper limb impairment post stroke there remains a gap between detailed kinematic analyses with expensive motion capturing systems and common clinical...

Sleep Transistor Design and Implementation – Simple Concepts Yet Challenges To Be Optimum (2008)

Kaijian Shi, David Howard

Optimum sleep transistor design and implementation are critical to a successful power-gating design. This paper describes a number of critical considerations for the sleep transistor design and...

Supporting statistical, graphic/cartographic, and domain literacy through online learning activities: MapStats for Kids (2008)

Alan M. Maceachren, Mark Harrower, Bonan Li, David Howard, Roger Downs, Mark Gahegan

This paper reports on a Digital Government pilot project, MapStats for Kids – a sub-project within the Quality Graphics for Federal Statistical Summaries (dgQG) project. MapStats for Kids will...

Self-Adaptive Constructivism in Neural XCS and XCSF (2008)

David Howard

For artificial entities to achieve high degrees of autonomy they will need to display appropriate adaptability. In this sense adaptability includes representational flexibility guided by the...

Abstract (2008)

Brian Butterworth, David Howard

Grammatically incorrect sentences (paragrammatisms) are characteristic of the spontaneous speech of fluent aphasics. The paragrammatisms produced by five neologistic jargon aphasics are analysed and...

The Uses of Short-Term Memory: A Case (2008)

Brian Butterworth, Ruth Campbell, David Howard

It has been widely claimed that the systems employed in tasks of immediate memory have a function in the comprehension of speech; these systems, it has been proposed, are used to hold a...

Cumulative semantic inhibition in picture naming experimental and computational studies (2006)

Prof. David Howard

We report an experiment in which subjects named 120 pictures consisting of series of five pictures drawn from each of 24 semantic categories and intermixed with 45 fillers. The number of intervening...

Cumulative semantic inhibition in picture naming : experimental and computational studies (2006)

Howard, David, Nickels, Lyndsey, Coltheart, Max, Cole-Virtue, Jennifer

We report an experiment in which subjects named 120 pictures, consisting of series of five pictures drawn from each of 24 semantic categories (and intermixed with 45 fillers). The number of...

Cumulative semantic inhibition in picture naming : experimental and computational studies (2006)

Howard, David, Nickels, Lyndsey, Coltheart, Max, Cole-Virtue, Jennifer

We report an experiment in which subjects named 120 pictures, consisting of series of five pictures drawn from each of 24 semantic categories (and intermixed with 45 fillers). The number of...

Separating input and output phonology Semantic phonological and orthographic effects in short-term memory impairment (2005)

Prof. David Howard

Recent research with both normal and brain-damaged people shows that linguistic representations are important sources of information in short-term memory tasks. This paper addresses the role of...

Separating input and output phonology : semantic, phonological and orthographic effects in short term memory impairment (2005)

Nickels, Lyndsey, Howard, David

Recent research with both normal and brain damaged people shows that linguistic representations are important sources of information in short term memory tasks. This paper addresses the role of...

Separating input and output phonology : semantic, phonological and orthographic effects in short term memory impairment (2005)

Nickels, Lyndsey, Howard, David

Recent research with both normal and brain damaged people shows that linguistic representations are important sources of information in short term memory tasks. This paper addresses the role of...

Listening to Narrative Speech after Aphasic Stroke: the Role of the Left Anterior Temporal Lobe (2005)

Crinion, Jennifer T., Warburton, Elizabeth A., Lambon-Ralph, Matthew A., Howard, David, Wise, Richard J.S.

The dorsal bank of the primate superior temporal sulcus (STS) is a polysensory area with rich connections to unimodal sensory association cortices. These include auditory projections that process...

Listening to Narrative Speech after Aphasic Stroke: the Role of the Left Anterior Temporal Lobe (2005)

Crinion, Jennifer T., Warburton, Elizabeth A., Lambon-Ralph, Matthew A., Howard, David, Wise, Richard J.S.

The dorsal bank of the primate superior temporal sulcus (STS) is a polysensory area with rich connections to unimodal sensory association cortices. These include auditory projections that process...

Dissociating Effects of Number of Phonemes Number of Syllables and Syllabic Complexity on Word Production in Aphasia Its the Number of Phonemes that Counts (2004)

Prof. David Howard

Many people with aphasia show effects of word length on the accuracy of their word production. However it is unclear from previous research whether this is an effect of number of phonemes number of...

Investigating the sub-processes involved in the production of thematic structure An analysis of four people with aphasia (2004)

Prof. David Howard

Background Schwartz 1987 suggested that three discrete sub- processes may be involved in the production of the thematic structure of sentences. These are 1 The retrieval of the semantic...

Correct responses, error analyses and theories of word production : a response to Martin (2004)

Nickels, Lyndsey, Howard, David

Nickels and Howard (2003) argued that effects of word length on correct responses of a case series of nine aphasic individuals could be accounted for entirely in terms of number of phonemes, and...

Dissociating effects of number of phonemes, number of syllables, and syllabic complexity on word production in Aphasia : it's the number of phonemes that counts (2004)

Nickels, Lyndsey, Howard, David

Many people with aphasia show effects of word length on the accuracy of their word production. However, it is unclear from previous research whether this is an effect of number of phonemes, number of...

Correct responses, error analyses and theories of word production : a response to Martin (2004)

Nickels, Lyndsey, Howard, David

Nickels and Howard (2003) argued that effects of word length on correct responses of a case series of nine aphasic individuals could be accounted for entirely in terms of number of phonemes, and...

Dissociating effects of number of phonemes, number of syllables, and syllabic complexity on word production in Aphasia : it's the number of phonemes that counts (2004)

Nickels, Lyndsey, Howard, David

Many people with aphasia show effects of word length on the accuracy of their word production. However, it is unclear from previous research whether this is an effect of number of phonemes, number of...

Temporal lobe regions engaged during normal speech comprehension (2003)

Crinion, Jennifer T., Lambon-Ralph, Matthew A., Warburton, Elizabeth A., Howard, David, Wise, Richard J. S.

Processing of speech is obligatory. Thus, during normal speech comprehension, the listener is aware of the overall meaning of the speaker’s utterance without the need to direct attention to...

The effects of lexical stress in aphasic word production (2002)

Prof. David Howard

This paper investigates the effects of lexical stress pattern on speech production by aphasic subjects. The subjects are more accurate at producing words with first syllable stress than those with...

Supporting Statistical, Graphic/cartographic, and Domain Literacy Through (2002)

Online Learning Activities, Alan M. Maceachren, Mark Harrower, Bonan Li, David Howard, Roger Downs, ...

This paper reports on a Digital Government pilot project, MapStats for Kids -- a sub-project within the Quality Graphics for Federal Statistical Summaries (dgQG) project. MapStats for Kids will...

An Investigation of the Interaction between Thematic and Phrasal Structure in Nonfluent Agrammatic Subjects (2001)

Prof. David Howard

Garrett 1982 developed a model of normal sentence production which has been used in the description of aphasic language Schwartz 1987. This study investigated the effects of the thematic...

Semantic memory is impaired in both dementia with Lewy bodies and dementia of Alzheimers type a comparative neuropsychological study and literature review (2001)

Prof. David Howard

Objective-To test the hypothesis that semantic impairment is present in both patients with dementia with Lewy bodies DLB and those with dementia of Alzheimers type DAT. Methods-A comprehensive...

Roam: A Scalable Replication System for Mobile and Distributed Computing (1998)

David Howard Ratner, W. W. Chu, Eli Gafni, Mario Gerla, Donald Morisky, David Howard

of the Dissertation Roam: A Scalable Replication System for Mobile and Distributed Computing by David Howard Ratner Doctor of Philosophy in Computer Science University of California, Los Angeles,...

THE CORTICAL LOCALIZATION OF THE LEXICONS: POSITRON EMISSION TOMOGRAPHY EVIDENCE (1992)

HOWARD, DAVID, PATTERSON, KARALYN, WISE, RICHARD, BROWN, W. DOUGLAS, FRISTON, KARL, WEILLER, CORNELIUS, ...

Positron emission tomography was used to investigate changes in regional cerebral blood flow (rCBF) in neurologically normal subjects during word reading and word repetition. The blood flow in these...

TREATMENT OF WORD RETRIEVAL DEFICITS IN APHASIA: A COMPARISON OF TWO THERAPY METHODS (1985)

HOWARD, DAVID, PATTERSON, KARALYN, FRANKLIN, SUE, ORCHARD-LISLE, VIRGINIA, MORTON, JOHN

The effects of two therapy methods in the treatment of picture naming problems are compared, using a within-patient design with 12 adult patients with chronic acquired aphasia. We contrast techniques...

Preliminary results of a seismic refraction study in the meriadzek-trevelyan area, bay of biscay (1979)

AVEDIK, Félix, HOWARD, David

Seismic refraction studies over the Meriadzek-Trevelyan area in the north of the Bay of Biscay have established four main geological sequences : Cenozoic (1.9 to 2.8 km/s) ; Cretaceous (3.2 to 4.0...

A city hall for San Angelo / (1978)

Howard, David.

Thesis (B.Arch.)--Texas Tech University, 1978.

Hospital Quality and Selective Contracting: Evidence from Kidney Transplantation

David Howard

Most private health insurers offer a limited network of providers to enrollees. Critics have questioned whether selective contracting benefits patients. Plans counter that they take quality into...