Neruo 11.1 Cortical Association Areas Flashcards
What is the frontal lobe responsible for?
Higher intellect, personality, mood, social conduct, language (dominant hemisphere)
What is the parietal lobe responsible for?
Language, calculation (dominant hemisphere), visiospatial functions (non dominant hemisphere)
What is the temporal lobe responsible for?
Memory and language
What is the occipital lobe responsible for?
Vision
What would occur in damage to the temporal lobe?
recognition deficits e.g. agnosia and prosopagnosia
What would occur in damage to the temporal lobe?
attention deficits
What is the funciton of the limbic system?
rewards appropriate behaviours and punishes inappropriate behaviours
Which side is usually dominant in the brain? WHat does the dominant hemisphere do?
Normally left Language, maths, logic, motor skils
What does the non dominant hemisphre do?
emotion, music/arts, visiospatial, body awareness
Where is the input for language found in the brain
Wernickes area
Where is the output for language found in the brain?
Brocas area
What is the pathway for speaking a heard word?
Primary auditory area –> wernickes area –> Broca area –> motor cortex
What is the pathway for speaking a written word?
Primary visual area –> wernickes area –> Brocas area –> motor cortex
What happens if the wernickes area is damaged?
Wernickes aphasia. Disorder of comprehension, fluent but unintelligible speech. Less severe if non dominant side is damaged
What happens if the Brocas area is damaged?
brocas aphasia. Poorly constructed sentences and disjointed, but normal comprehension.
What is conduction aphasia?
difficulty in repition
What are the 2 types of memory?
Declarative - naming objects and places. Further subdivided into long and short term. Procedural - Motor memory
How are memories committed to long term?
emotion involved, repitition, association, automatic memory
Describe how a memory is made, and stored
Cortical sensory areas –> amygdala and hippocampus where memory occurs –> diencephalon, basal forebrain, prefrontal cortex where it is organised for storage
How are memories formed and forgotten?
LTP and LTD
What are the 2 types of amnesia?
Anterograde (cannot form new memories) retrograde (cannot remember previous memories)
