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The effect of childhood bilectalism and multilingualism on executive control.
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Second-language fluency predicts native language stroop effects: evidence from Spanish-English bilinguals.
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In: Journal of the International Neuropsychological Society : JINS, vol 20, iss 3 (2014)
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Exaggerated object affordance and absent automatic inhibition in alien hand syndrome.
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In: Symplectic Elements at Oxford ; Europe PubMed Central ; PubMed (http://www.ncbi.nlm.nih.gov/pubmed/) ; Scopus (http://www.scopus.com/home.url) ; CrossRef (2013)
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Exaggerated object affordance and absent automatic inhibition in alien hand syndrome.
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In: Cortex , 49 (8) pp. 2040-2054. (2013) (2013)
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Abstract:
Patients with alien hand syndrome (AHS) experience making apparently deliberate and purposeful movements with their hand against their will. However, the mechanisms contributing to these involuntary actions remain poorly understood. Here, we describe two experimental investigations in a patient with corticobasal syndrome (CBS) with alien hand behaviour in her right hand. First, we show that responses with the alien hand are made significantly more quickly to images of objects which afford an action with that hand compared to objects which afford an action with the unaffected hand. This finding suggests that involuntary grasping behaviours in AHS might be due to exaggerated, automatic motor activation evoked by objects which afford actions with that limb. Second, using a backwards masked priming task, we found normal automatic inhibition of primed responses in the patient's unaffected hand, but importantly there was no evidence of such suppression in the alien limb. Taken together, these findings suggest that grasping behaviours in AHS may result from exaggerated object affordance effects, which might potentially arise from disrupted inhibition of automatically evoked responses.
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Keyword:
Aged; Alien Hand Syndrome; Alien limb; Aphasia; Articulation Disorders; Automatic inhibition; Basal Ganglia Diseases; Broca; Cerebral Cortex; Female; Functional Laterality; Hand Strength; Humans; Inhibition (Psychology); Magnetic Resonance Imaging; Male; Masked priming; Middle Aged; Neurodegenerative Diseases; Object affordance; Perceptual Masking; Reaction Time; Repetition Priming
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URL: http://discovery.ucl.ac.uk/1388420/
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Auditory stroop and absolute pitch: an fMRI study.
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In: Hum Brain Mapp , 34 (7) 1579 - 1590. (2013) (2013)
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Domain general change detection accounts for "dishabituation" effects in temporal-parietal regions in functional magnetic resonance imaging studies of speech perception.
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In: J Neurosci , 30 (3) 1110 - 1117. (2010) (2010)
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The suppression of reflexive visual and auditory orienting when attention is otherwise engaged.
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In: Symplectic Elements at Oxford ; Europe PubMed Central ; PubMed (http://www.ncbi.nlm.nih.gov/pubmed/) ; Scopus (http://www.scopus.com/home.url) ; CrossRef (2007)
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Stimulus modality, perceptual overlap, and the go/no-go N2.
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In: Symplectic Elements at Oxford ; Europe PubMed Central ; PubMed (http://www.ncbi.nlm.nih.gov/pubmed/) ; Web of Science (Lite) (http://apps.webofknowledge.com/summary.do) ; CrossRef (2004)
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Social cognition in Tourette's syndrome: intact theory of mind and impaired inhibitory functioning.
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In: J Autism Dev Disord , 34 (6) 669 - 677. (2004) (2004)
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Inhibitory Control of Spanish-Speaking Language-Minority Preschool Children: Measurement and Association With Language, Literacy, and Math Skills.
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Executive function of Spanish-speaking language-minority preschoolers: Structure and relations with early literacy skills and behavioral outcomes.
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