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CogSci 180 Midterm - Brain Basics Questions
with 100% Verified Answers UPDATED!!!
neuroanatomical orientations - ANSWER anterior (front)
posterior (back)
dorsal (top of head or back)
ventral (bottom of skull or front of body)
lateral (toward side of body, away from middle)
medial (middle of body, away from side)
coronal or frontal section (parallel to forehead)
sagittal or lateral section (perpendicular to ground)
transverse or axial section (parallel to ground)
3 divisions of human brain - ANSWER forebrain - neocortex
(rational)
midbrain - limbic brain (emotional)
hindbrain - reptilian brain (instinctual)
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cerebral cortex - ANSWER best distinguishes us from other
animals
outermost layer of grey matter (3mm thick)
26 billion neurons
sulci+gyri increase surface area
consists mainly of glia and cell bodies
includes neocortex (lobes) and limbic cortex
lobes of the brain - ANSWER frontal (speaking, muscle
movement, planning, judgement, emotional control)
- primary motor cortex (voluntary movements)
- prefrontal cortex (plans/judgements)
parietal (body awareness)
- primary somatosensory cortex (body surface mapped onto
brain surface)
occipital
CogSci 180 Midterm - Brain Basics Questions
with 100% Verified Answers UPDATED!!!
neuroanatomical orientations - ANSWER anterior (front)
posterior (back)
dorsal (top of head or back)
ventral (bottom of skull or front of body)
lateral (toward side of body, away from middle)
medial (middle of body, away from side)
coronal or frontal section (parallel to forehead)
sagittal or lateral section (perpendicular to ground)
transverse or axial section (parallel to ground)
3 divisions of human brain - ANSWER forebrain - neocortex
(rational)
midbrain - limbic brain (emotional)
hindbrain - reptilian brain (instinctual)
, Page 2 of 8
cerebral cortex - ANSWER best distinguishes us from other
animals
outermost layer of grey matter (3mm thick)
26 billion neurons
sulci+gyri increase surface area
consists mainly of glia and cell bodies
includes neocortex (lobes) and limbic cortex
lobes of the brain - ANSWER frontal (speaking, muscle
movement, planning, judgement, emotional control)
- primary motor cortex (voluntary movements)
- prefrontal cortex (plans/judgements)
parietal (body awareness)
- primary somatosensory cortex (body surface mapped onto
brain surface)
occipital