Higher Cognitive Functions
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What are the three regions of the brain that seem to be asosciated with higher order functions?
- 1. Parietal-temporal-occipital area
- 2. Orbitofrontal area
- 3. Limbic area
What structures allow communication between the two hemispheres?
Anterior commissure and corpus callosum
Which hemisphere is usually dominant in:
e) Spatial relations
- a) Left
- b) Left
- c) Left
- d) Right
- e) Right
- f) Right
Where is the planum temporale?
Dorsal surface of the temporal lobe (within Wernicke's area)
Impaired function of the planum temporale is throught to be linked to what?
What area functions in language comprehension?
Damage to Wernicke's area causes what?
A patient presents after a CVA who seems to be attempting to make words, but doesn't understand what you are saying. Where is the problem probably located?
What is caused by a lesion in Broca's area?
What are the parts of Broca's area?
Pars opercularis and pars triangularis
A patient presents after a CVA fully comprehensive but frustrated because he can't speak to you. Where is the lesion probably located?
A lesion in the superior longitudinal fasciculus causes what?
What is the function of the superior longitudinal fasciculus?
Interconnects Wernicke's and Broca's area
What is conduction aphasia?
Lesion in the superior longitudinal fasciculus that presents with mild problems with comprehension and ability to speak conversationally, but cannot repeat phrases or words
What is stereognosis?
The ability to recognize an object by touching it
Contralateral neglect is caused by a lesion in what region?
What important functions is the prefrontal cortex involved in?
Concentration, abstract reasoning, spontaneity, a capacity to do things for a delayed reward, and living within social norm
What are the clinical signs of schizophrenia?
Delusions, hallucinations, disordered thinking and language
What would you like to do?
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