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Exam 1 - nervous sys

Intro to Psychology

QuestionAnswer
what is the somatic nervous system? carries messages from the CNS along motor nerves to perform voluntary muscle movements
what is the autonomic nervous system? regulates involuntary functions (ex. heartbeat, blood pressure)
what is the sympathetic nervous system? arouses the body to expand energy
what is the parasympathetics nervous system? calms the body to conserve energy; conserves and maintains your physical resources; calms you down after an emergency
what is the hypothalamus? brain region controlling the pituitary gland
what is the pituitary gland? secretes many different hormones, some of which affect other glands
what is the function of the frontal lobe? consciousness. involved in speaking and muscle movements, making plans and judgements
what is the function of the parietal lobe? movement and stimulus perception; receives sensory input for touch and body position
what is the function of the occipital lobe? includes areas that receive information from the visual fields
what is the function of the temporal lobe? includes the auditory areas, each receiving information primarily from the opposite ear
stages of memory? sensory memory, STM, LTM
what is attention failure? loss before STM
what is encoding failure? due to lack of encoding/elaboration (no or weak memory in LTM)
what is retrieval failure? due to poor cues do not activate memory (still in LTM)
which structure plays an important part in implicit memories? cerebellum and basal ganglia
which structure plays an important part in explicit memories? hippocampus and frontal lobe
what is sensory memory? holds info long enough to be processed for basic physical characteristics
what is sensory memory capacity? large
what is the duration in short term memory? decays quickly without attention - .3 sec for iconic memory (visual) - 2 sec for echoic memory (auditory)
what is short term memory? conscious processing of information
what is short term memories capacity? limited (7+/- miller, but actually less about 4)
what is short term memories duration? brief storage between 12-30 seconds without rehearsal or strategic processing)
what is long term memory? organizes and stores information
what is the capacity in long term memory? extremely large, can store practically unlimited amount of information
what is the duration in long term memory? potentially permanent
what is working memory? a newer understanding of short term memory
Created by: anaelc
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