Chapter 1 Vocab Flashcards
cerebrum
Major structure of the forebrain that consists of two virtually identical hemispheres (left and right) and is responsible for most conscious behavior.
hemisphere
Literally, half a sphere, referring to one side of the cerebrum.
brainstem
Central structure of the brain responsible for most unconscious behavior.
neuron
Specialized nerve cell engaged in information processing.
spinal cord
Part of the central nervous system encased within the vertebrae (spinal column) that provides most of the connections between the brain and rest of the body.
central nervous system (CNS)
The brain and spinal cord that together mediate behavior.
peripheral nervous system (PNS)
All the neurons in the body located outside the brain and spinal cord; provides sensory and motor connections to and from the CNS.
epigenetics
Differences in gene expression related to environment and experience
Animals have______, Chordates have_______
Neurons
Brains
Afferent
Connections arrives to CNS
Efferent
Connection that exits CNS
Grey matter
areas of the nervous system composed mostly of cell bodies and capillary blood vessels
White Matter
areas of the nervous system that are rich in fat-sheated neural axon that form the connections between brain cells
Nervous system Heaven