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Sunderland, Alan; Wilkins, Leigh; Dineen, Rob; Dawson, Sophie E. – Brain and Cognition, 2013
Impaired tool related action in ideomotor apraxia is normally ascribed to loss of sensorimotor memories for habitual actions (engrams), but this account has not been tested against a hypothesis of a general deficit in representation of hand-object spatial relationships. Rapid reaching for familiar tools was compared with reaching for abstract…
Descriptors: Control Groups, Patients, Brain Hemisphere Functions, Sensory Integration
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Stock, Oliver; Roder, Brigitte; Burke, Michael; Bien, Siegfried; Rosler, Frank – Journal of Cognitive Neuroscience, 2009
The present study used functional magnetic resonance imaging to delineate cortical networks that are activated when objects or spatial locations encoded either visually (visual encoding group, n = 10) or haptically (haptic encoding group, n = 10) had to be retrieved from long-term memory. Participants learned associations between auditorily…
Descriptors: Brain Hemisphere Functions, Long Term Memory, Cognitive Processes, Diagnostic Tests