20 terms

Psychology

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psychology
the study of the human mind
central nervous system (CNS)
composed of the brain and spinal cord
peripheral nervous system (PNS)
all the neuron outside of the central nervous system (CNS)
motor neuron
nerves that come from the CNS and direct the actions of muscles and glands
sensory neuron
nerves that carry signals from sensors to the central nervous system
brain
structure that provides control over the body
hemispheres
the brain is divided into 2 halves
lobe
the brain is subdivided into sections or lobes which have specific functions
frontal lobe
front of the brain, controls conscious thought, and executive functions
occipital lobe
back of brain, involved with the sense of sight
parietal lobe
plays important roles in integrating sensory information from various senses, and in the manipulation of objects; portions of the parietal lobe are involved with visual/spatial processing
temporal lobe
senses of smell and sound, as well as processing of complex stimuli like faces and scenes
corpus callosum
band of nervous tissue which connects the left and right hemispheres of the brain
myelin
a white fatty substance that insulates axons and enables rapid transmission of neural impulses
synapse
the junction between the axon terminals of the sending neuron and the dendrites of the receiving neuron
medulla
a structure at the base of the brain stem that controls vital functions such as heartbeat and breathing
pons
a brain structure located at the top of a brain stem that is involved in respiration, movement, and sleep.
reticular activating system
the part of the brain that is involved in attention, sleep, and arousal
thalamus
relays messages between lower brain centers and cerebral cortex
hypothalamus
the neural structure located below the thalamus that controls temperature, hunger, thirst, and various aspects of emotion.