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psychology chapter 3
Term | Definition |
---|---|
brain and spinal cord | receives, processes, and stores sensory information |
somatic nervous sytem | controls voluntary movements |
autonomic nervous system | involuntary functions; contains the sympathetic and parasympathetic nervous systems |
parasympathetic | calms |
sympathetic | arouses |
neurons | receive and transmit information into the nervous system |
amygdala | threat and fear |
basal ganglia | planning and producing movement |
broca's area | left frontal region of the brain responsible for the production of language |
cerebellum | movement and balance |
cerebral cortex | site of all thoughts, behaviors, and complex behaviors |
corpus callosum | bridge of axons that connect the two hemispheres of the brain |
dizygotic twins | fraternal twins |
genotype | genetic constitution of an organism |
phenotype | the observable characteristics of an organism |
hippocampus | formation of memories |
hypothalamus | body functions; body temperature, heart rate, blood pressure, blood glucose levels |
insula | taste, pain, and empathy |
monozygotic twins | identical twins |
parietal nervous system | somatic and autonomic nervous systems |
pituitary gland | located at the base of the hypothalamus; send hormone signals to the endocrine system |
plasticity | property of the brain that allows it to change as a result of injury |
prefrontal cortex | attention, memory, decision making, social behavior, and personality |
thalamus | receives all incoming sensory information before it travels to the cerebral cortex |
terminal buttons | release chemical signals from the neurons into the synapse |