EXAM 1 Flashcards
(39 cards)
central nervous system components
brain and spinal cord
peripheral nervous system components
somatic and autonomic nervous systems
nucleus
group of neuron cell bodies in the CNS
ganglion
group of neuron cell bodies in the PNS
grey matter
cell bodies
white matter
fibers
dorsal to ventral
top vs bottom
medial vs lateral
toward vs away from midline
anterior vs posterior
front vs away
sagittal (brain plane)
split down the middle of the brain
coronal (brain plane)
split from shoulder to shoulder
horizontal (brain plane)
split from top to bottom
forebrain subdivisions
telencephalon and diencephalon
midbrain subdivision
mesencephalon
hindbrain subdivisions
metencephalon and myelencephalon
reticular formation
a collection of about 100 groups of cells that participate in arousal and cardiac reflexes
pons
fibers connecting the hindbrain to the midbrain and forebrain
thalamus
relay system for sensory information
cortex
left visual field send signal to right visual cortex; vice versa
tectum
orients to stimuli that need attention
cerebellum
initiation of movement and sensorimotor structure involved in motor coordination
substantia nigra
movement
basal ganglia components
caudate nucleus, putamen, and globus pallidus
limbic system
collection of structures in the brain that seem to be important for both learning memory and emotion