Gross brain, brainstem and spinal cord Flashcards
where is the primary motor cortex found?
precentral gyrus of the frontal lobe
what areas of the brain are responsible for planning and initiating voluntary movement
premotor and supplementary motor areas of the precentral gyrus of the frontal lobe
what area of the brain is responsible for the motor aspect of writing and speaking?
where is it found?
Broca’s area
inferior frontal gyrus (opercular and trianglar parts)
-only found in 1 hemisphere, usually left
what structure holds the two hemispheres of the brain together?
corpus collosum
what four sulci divide each hemisphere into lobes?
central
lateral
parietooccipital
cingulate
what is the prefrontal cortex responsible for?
decision making, personality, executive functions
what structures make up the prefrontal cortex?
superior and middle frontal gyri
in what lobe is the postcentral gyrus found?
parietal lobe
what structure is responsibile for processing of sensory localization and processing of tactile information
primary somatosensory cortex
where is the primary somatosensory cortex found?
the postcentral gyrus of the parietal lobe
what structure is involved in language comprehension?
the inferior parietal lobule
what structure is involved in spatial orientation and directing attention?
superior parietal lobule
what structures comprise the primary auditory cortex?
superior surface of the temporal lobe and a small area of superior temporal gyrus
what part of the cerebrum is responsible for learning and memory
the most medial part of the temporal lobe
Where is Wernicke’s area located and what does it do?
in the posterior-superior temporal gyrus in the left hemisphere
comprehension of language
