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Browsing by Author "Laws, K.R."
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Is Ginkgo biloba a cognitive enhancer in healthy individuals? : A meta-analysis
Laws, K.R.; Sweetnam, H.; Kondel, T.K. (2012-11)Objective We conducted a meta-analysis to examine whether Ginkgo biloba (G. biloba) enhances cognitive function in healthy individuals. Methods Scopus, Medline, Google Scholar databases and recent qualitative reviews were ... -
A Longitudinal Analysis of Memory in patients with Schizophrenia
Tyson, P. J.; Laws, K.R.; Roberts, K.H.; Mortimer, A.M. (2005)Memory deficits are widely reported in patients with schizophrenia, but uncertainties remain about the extent and the longitudinal course of these deficits. Twenty-eight patients with a DSM-IV diagnosis of schizophrenia ... -
The longitudinal neurodegenerative impact of Alzheimer's disease on picture naming
Moreno-Martinez, F.J.; Laws, K.R.; Goni-Imizcoz, M. (Nova Publishers, 2008)Although semantic memory impairment is well-documented in patients with Alzheimer's disease (AD), it remains unclear if this neurodegenerative disease differentially affects semantic domains. Most studies have found that ... -
Loss of stored knowledge of object structure : implications for "category-specific" deficits
Turnball, O.H.; Laws, K.R. (2000)Following a right-hemisphere lesion, the patient SM had impaired object recognition, with good elementary visual abilities, and could derive information about object structure. He was also impaired on all tasks tapping ... -
A meta-analytic review of category naming in Alzheimer's disease
Laws, K.R.; Adlington, R.L.; Gale, T.M.; Moreno-Martinez, F.J.; Sartori, G. (2007)Patients with Alzheimer's disease (AD) experience word-finding difficulties that become increasingly pronounced as pathological changes accrue in the brain. One question that has received increasing attention over the last ... -
Name relearning in elderly patients with schizophrenia: episodic and temporary, not semantic and permanent
Kondel, T.K.; Hirsch, S.R.; Laws, K.R. (2006)Introduction . Recent reports of lexical-semantic deficits in patients with schizophrenia (Laws, Al-Uzri, & Mortimer, 2000; Laws, McKenna, & Kondel, 1998) suggest that younger patients have problems accessing intact memories ... -
The naming profile in Alzheimer patients parallels that of elderly controls
Gale, T.M.; Irvine, K.; Laws, K.R.; Ferrissey, S. (2008)Controversy exists as to whether semantic disruption in Alzheimer's disease (AD) systematically impairs the naming of living things. Moreover, little is known about performance across more specific subcategories. We ... -
The neuropsychology of obsessive-compulsive personality disorder : a new analysis
Fineberg, Naomi; Day, Grace A.; de Koenigswarter, Nica; Reghunandanan, Samar; Kolli, Sangeetha; Jefferies-Sewell, Kiri; Hranov, Georgi; Laws, K.R. (2015-10)Background: Obsessive compulsive personality disorder (OCPD) is characterized by perfectionism, need for control, and cognitive rigidity. Currently, little neuropsychological data exist on this condition, though emerging ... -
The neuropsychology of the schizo-obsessive subtype of schizophrenia : a new analysis
Patel, D.D.; Laws, K.R.; Padhi, A.; Farrow, J.; Mukhopadhaya, K.; Krishnaiah, R.; Fineberg, Naomi (2010)Background : Interest in the neuro-cognitive profile of patients with schizophrenia and co-morbid obsessive compulsive disorder (schizo-OCD) is rising in response to reports of high co-morbidity rates. Whereas schizophrenia ... -
No category specificity in Alzheimer's disease: A normal aging effect
Moreno-Martinez, F.J.; Laws, K.R. (2008)Examines category effects on tasks of picture naming, naming to definition, and word-picture matching in 38 patients with Alzheimer's disease (AD) and 30 elderly controls. Each task was matched across category on all ... -
‘Normal’ semantic-phonemic fluency discrepancy in Alzheimer's disease? A meta-analytic study
Laws, K.R.; Duncan, A.; Gale, T.M. (2010)In a meta-analysis of 135 studies involving 6000 patients with Alzheimer's disease (AD) and 6057 healthy controls, we examined the relative degree of semantic and phonemic fluency impairment in AD patients. The effect size ... -
Physical activity and mental health in a student population
Tyson, Philip; Wilson, Kelly; Crone, Diane; Brailsford, Richard; Laws, K.R. (2010-12)Aims: The present study investigates the association between physical activity and mental health in an undergraduate university population based in the United Kingdom. Method: One hundred students completed questionnaires ... -
A predominance of category deficits for living things in Alzheimer's disease and Lewy body dementia
Laws, K.R.; Crawford, J.R.; Gnoato, F.; Sartori, G. (2007)Although semantic memory impairment is well documented in patients with dementia of the Alzheimer’s type, questions remain as to whether the deficit extends to other forms of dementia and whether it differentially affects ... -
Reconsidering the Gospel According to Group Studies: A Neuropsychological Case Study Approach to Schizophrenia
Laws, K.R.; McKenna, P. J.; McCarthy, R.A. (1996)Individual patterns of performance on tests of: visual perception, language, executive function, memory, and face-processing, were examined in 10 schizophrenic patients who were preselected for having current WAIS IQ and ... -
Self-Organising Map Representations Of Greyscale Images Reflect Human Similarity Judgements
Gale, T.M.; Davey, N.; Laws, K.R.; Loomes, M.J.; Frank, R. (Institute of Electrical and Electronics Engineers (IEEE), 2004)In this study we assessed a Kohonen network's ability to represent visual similarity between grayscale pictures and whether these representations were associated with human ratings af perceived similarity. We trained a ... -
Semantic memory and symptomatology in schizophrenia : A review
Laws, K.R.; Leeson, Verity C.; Al-Uzri, Mohammed M.; Kondel, Tejinder K. (Nova Science Publishers Inc., USA., 2012)This chapter reviews the past twenty years of research on semantic memory function in schizophrenia. This now substantial body of work has consistently documented abnormal semantic memory in most schizophrenia patients ... -
Semantic memory associated with negative symptoms in schizophrenia
Laws, K.R.; Al-Uzri, Mohammed M. (Nova Science Publishers Inc., USA., 2012)In the chapter, we present a new study examining semantic memory impairment in community-based patients with schizophrenia and its symptoms correlates. We tested 73 community-based patients with schizophrenia and 71 healthy ... -
Semantic priming in schizophrenia : systematic review and meta-analysis
Plomarol-Clotet, E.; Oh, T.M.S.S.; Laws, K.R.; McKenna, P. J. (2008) -
A set of high quality colour images with Spanish norms for seven relevant psycholinguistic variables: The Nombela naming test
Javier Moreno-Martinez, Francisco; Montoro, Pedro R.; Laws, K.R. (2011)This paper presents a new corpus of 140 high quality colour images belonging to 14 subcategories and covering a range of naming difficulty. One hundred and six Spanish speakers named the items and provided data for several ... -
Sex differences in cognitive impairment in Alzheimer's disease
Laws, K.R.; Irvine, Karen; Gale, Tim M. (2016-03-22)Sex differences in neurocognitive abilities have been extensively explored both in the healthy population and in many disorders. Until recently, however, little work has examined such differences in people with Alzheimer's ...