Gross Brain and Brainstem Flashcards
Where is the primary motor cortex contained in the brain?
Precentral frontal gyrus
What gyrus contains Broca’s area?
Inferior frontal gyrus
What is the action of the premotor and supplementary motor areas of the frontal lobe?
Planning and initiating voluntary movements
Which hemisphere contains Broca’s area?
Left
What is the action of Broca’s area?
Motor aspects of written and spoken language (handwriting, texting)
What is the action of the prefrontal cortex?
Executive functions: personality, decision making, insight, foresight
Where is the primary somatosensory cortex located?
Postcentral parietal gyrus
What is the primary somatosensory cortex responsible for?
Processing tactile and propioceptive information, sensory localization
What part of the parietal lobe is involved in language comprehension?
Inferior parietal lobule
What is the action of Wernicke’s area?
Language comprehension
Where is Wernicke’s area located?
Superior temporal gyrus (posterior portion)
(and some of inferior parietal lobule)
Which hemisphere usually contains Wernicke’s area?
Left
Where is the primary auditory cortex located?
Superior Temporal gyrus
Between what 2 sulci is the Cuneus of the occipital lobe located between?
Parietooccipital sulcus
Calcarine sulcus
What gyri make up the limbic structures of the brain?
Cingulate gyrus
Parahippocampal gyrus
What limbic structure is located beneath the uncus of the temporal lobe?
Amygdala
What actions/responses is the limbic lobe responsible for?
Emotional response
Drive-related behavior
Memory
What part of the cerebral cortex is responsible for taste?
Insula
What white matter structure connects cortical areas within the same sulci/gyri?
Arcuate fibers
What white matter structures connect cortical areas within the same hemisphere?
Longitudinal/Association fasciculi
What white matter structure connects cortical areas within R/L hemispheres?
Commissural tracts
What white matter structure connects cortical areas within other body regions?
Projection tracts
The anterior commissure is contained within what structure in the brain? Connects what lobes?
Corpus callosum
Temporal Lobe
All sensory information (except olfactory) is relayed through what structure?
Thalamus