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NEUR 420 EXAM 3

Terms in this set (48)

what is the corpus callosum made up of?
myelinated axons
what part of the corpus callosum has the thickest fibers?
body
what is the advantage of having large diameter axons in the corpus callosum?
they have high meylination and high conductance velocities
Dr. Michael Gazzaniga and Dr. Roger Sperry were at the forefront of realizing that the _______ side of the brain was important for ________.
left; language
corpus callosum section I
prefrontal cortex
corpus callosum section II and III
motor areas
corpus callosum section IV
temporal/parietal cortex
corpus callosum section V
occipital cortex
what is the major input nucleus for the basal ganglia
striatum
what are the projection neurons in the input nucleus called and what NT do they release?
medium spiny neurons, GABA
which of the following are the output nuclei of the basal ganglia?
GPi and SNr
globus pallidus internal segment (GPi)
low neuron density, GABAergic projection neurons
subthalamic nucleus (STN)
below the thalamus, glutamatergic projection neurons
substantia nigra pars compacta (SNc)
concentration of DA neurons
substantia nigra pars reticulata (SNr)
developmentally more related to the GPi
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