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Biopsychology
Brain Functions
26
Psychology
Undergraduate 4
02/16/2009

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Term
parasympathetic nerves
Definition
autonomic nerves that project from brain & sacral; conserve energy; relaxation
Term
sympathetic nerves
Definition
autonomic nerves that project from lumbar & thoracic; threatening situations; arousal
Term
autonomic nervous system (ANS)
Definition
part of the peripheral & regulates internal environment
Term
somatic nervous system
Definition
part of peripheral & interacts with outside environment
Term
medulla
Definition
arousal, sleep, attention, movement, muscle tone, and various cardiac, circulatory, and respiratory reflexes
Term
cerebellum
Definition
controls movements & helps a person adapt to changing conditions; cognitive
Term
inferior colliculi
Definition
auditory
Term
superior colliculi
Definition
visual
Term
tectum
Definition
visual
Term
cerebral aqueduct
Definition
analgesic effects
Term
substantia nigra & red nucleus
Definition
sensorimotor system
Term
thalamus
Definition
visual, auditory, and somatosensory systems
Term
hypothalamus
Definition
regulation of several motivated behaviors & regulates the release of hormones
Term
telencephalon
Definition
voluntary movement, interprets sensory input and mediates complex cognitive processes such as learning, speaking, and problem-solving
Term
occipital lobes
Definition
analysis of visual input
Term
parietal lobe (post central gyrus)
Definition
analyzes sensations (touch)
Term
posterior parietal lobe
Definition
location of objects and self and directing attention
Term
temporal lobe (superior temporal gyrus)
Definition
hearing & language
Term
temporal lobe (inferior)
Definition
complex visual patterns
Term
temporal lobe (medial portion)
Definition
certain kinds of memory
Term
frontal lobe (precentral gyrus & adjacent frontal cortex)
Definition
motor function
Term
frontal lobe (frontal cortex anterior)
Definition
complex cognitive functions such as planning response sequences, evaluating the outcomes of potential patterns of behavior, & assessing the significance of the behavior of others
Term
hippocampus
Definition
memory for spatial location
Term
limbic system
Definition
regulation of motivated behavior (fleeing, feeding, fighting, & sexual behavior)
Term
basal ganglia
Definition
voluntary motor responses
Term
nucleus accumbens
Definition
plays a role in the rewarding effects of addictive drugs and other reinforcers
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