Rotation: Brain Flashcards
What is the circle of Willis composed of?
anterior cerebral a (L and R) anterior communicating a internal carotid a (L and R) posterior cerebral a (L and R) posterior communicating a (L and R) basilar a
What is the significance of the superior sagittal sinus and transverse sinus?
they’re the venous drainage for the brain
The _____ is the primary motor cortex, containing cell bodies of upper motor neurons that control lower motor neurons in spinal cord, which in turn control muscles.
precentral gyrus
The precentral gyrus is the ______, containing cell bodies of upper motor neurons that control lower motor neurons in spinal cord, which in turn control muscles.
primary motor cortex
The ______ is the primary somatosensory cortex receiving information from the skin on touch, vibration and limb position (proprioception).
postcentral gyrus
The postcentral gyrus is the ______ receiving information from the skin on touch, vibration and limb position (proprioception).
primary somatosensory cortex
The _____ separates the frontal lobe (anterior) from the parietal lobe (posterior).
central sulcus
The central sulcus separates the _____ (anterior) from the _____ (posterior).
frontal lobe; parietal lobe
The _____ separates the temporal lobe (inferior) from the frontal and parietal lobes.
lateral sulcus
The lateral sulcus (or fissure) separates the _____(inferior) from the _____.
temporal lobe; frontal and parietal lobes
Where is the 1a visual cortex located?
at the calcarine sulcus
What is the calcarine sulcus?
where the 1a visual cortex is located
What are the 3 parts of the corpus callosum?
the genu, body, and splenium
What is the fornix?
an axon tract in the limbic system involved in memory formation and retrieval and carrying information from the hippocampus to the hypothalamus.
This is an axon tract in the limbic system involved in memory formation and retrieval and carrying information from the hippocampus to the hypothalamus.
the fornix
What is the hypothalamus?
the regulator of homeostasis
This part of the brain is the regulator of homeostasis.
the hypothalamus
All sensory systems except _____ relay info thru the thalamus on the way to the cortex.
olfaction
All sensory systems except olfaction relay info thru the _____ on the way to the cortex.
thalamus
What is the job of the superior colliculus?
coordinating auditory and visual maps of space
What part of the brain coordinates auditory and visual maps of space?
the superior colliculus
What part of the brain is part of the auditory system?
the inferior colliculus
What is the job of the inferior colliculus?
it’s part of the auditory system
The ______ is involved in motor coordination and motor learning.
cerebellum
The cerebellum is involved in _____ and _____.
motor coordination and motor learning
What is the job of the insula?
processing of taste information
What part of the brain is involved in the processing of taste information?
the insula
What does the hippocampus do?
memory formation and retrieval
What part of the brain is for memory formation and retrieval?
the hippocampus
What is the fornix for?
to connect the hippocampus to the hypothalamus
This connects the hippocampus to the hypothalamus.
the fornix
What is the job of the amygdala?
perception of fear and emotions
What part of the brain is involved in the perception of fear and emotions?
the amygdala
What part of the brain is involved in initiation of movement?
the putamen and globus pallidus
What do the putamen and globus pallidus do?
initiate movement
What does the caudate nucleus do?
it’s involved in memory retrieval
What part of the brain is involved in memory retrieval?
the caudate nucleus
The primary motor cortex is Broadmann’s Area #____.
4
The _____ is Broadmann’s Area #4.
primary motor cortex
