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PSYA01H3 CHAPTER 3 QUESTIONS AND ANSWERS FROM THE TEXT BOOK UNIVERSITY OF TORONTO
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PSYA01H3 CHAPTER 3 QUESTIONS AND ANSWERS FROM THE TEXT BOOK UNIVERSITY OF TORONTO
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PSYA01H3 CHAPTER 3 QUESTIONS ANDANSWERS FROM THE TEXT BOOK
UNIVERSITY OF TORONTO
How is the cerebellum separated
✔✔1) spinocerebellar
-helps to match sensory input with motor plans in order to fine tune
movement patterns
2) vestibulocerebellar
-processes information from the inner ear to help adjust your posture and
balance
3) cerebrocerebellar
- manages connections with the pons and thalamus to adjust the timing
and planning of movements
Thalamus
✔✔-all senses except for smell must pass through the thalamus before
rallied to the neocortex
- tells your nervous impulses in your body where they need to go, when
they are allowed to go, and where they can't go
What are the parts of the thamamic nuclei
✔✔1) anterior nuclei
2) Medial nuclei
3) Medial dorsal nucleus
4) midline nuclear group
,Neocortex
✔✔integrates and makes sense of all the information that enters your
world
Why does the neocortex look the way it does
✔✔it has three distinct features
1) gyri (ridges)
2) sulci (valleys)
3) fissures (spaces between lobes)
What are the four basic sections of the neocortex
✔✔1) frontal lobe
2) temporal lobe
3) parietal lobe
4) occipital lobe
what is the association cortex
✔✔adjacent to the primary processing networks
- further process the information and help to integrate it with other sensory
information (how you can remember the way lavender smells or what
your room looks like)
lateral denticulate nucleus
✔✔sends projections to the visual cortex
medial geniculate nucleus
✔✔sends projections to the auditory cortex
, What are frontal lobes primarily tasked with
✔✔decision making and movement
What are the regions of the frontal lobe
✔✔1) prefrontal cortex
2) Broca's area
3) Frontal eye fields
4) premotor/supplementary motor cortex
5) primary motor cortex
Who was Phineas Gage?
✔✔Railroad worker in the 1800s, suffered brain damage in prefrontal
cortex (metal rod through it). He survived the damage but his personality
drastically changed. His case led to the discovery of the role of PFC in
personality
What is the prefrontal cortex (PFC) responsible for?
✔✔- moral behaviour
- risk taking
- risk assessment
- inhibition of behaviour
- decision making
Motor cortex
✔✔house primary neurons that initiate voluntary movement
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