PSYC31H3 Chapter Notes - Chapter 14: Motor Planning, Dementia, Microorganism
Document Summary
Alzheimer"s disease, constructional impairments often become obvious as the disease progresses: copying tasks do not appear to be affective in discriminating patients with the frontal variant of frontotemporal dementia from alzheimer"s patients. Design) and with several other cognitive functions, including receptive language (i. e. token test), semantic (animal) fluency, and aspects of executive function (i. e. mattis dementia rating scale) Clock drawing ability doesn"t appear to be related to memory. Impaired clock drawing strongly associated with lesions in right parietal region (supramarginal gyrus) and left inferior frontoparietal opercular region: visuo-spatial errors mainly in patients with right hemisphere damage. These errors could discriminate patients with dementia from normal subjects with high specificity and sensitivity. These errors required minimal conceptual classification and are easily detected and scored by non-specialists. Assembling and building: assembling and building tasks involve the spatial component in perception and in motor execution.
