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14 Cards in this Set

  • Front
  • Back
Subcortical Structures
*structures below cortex that control posture, edit sensory info, detect emotions
Subcortical structures
-basal nuclei
*also known as basal ganglia
*5 bilateral to side of thalamus
*connected to each orther and to cortex
*control postural muscles in unconscious fashion after cortex sets position
subcortical structures
*receives sensory input from opposite side of body*edits and directs sensory input to cortex-cortex determines focus
*one type of autism the thalamus doesnt edit propertly. too much information gets through
*98% of info that comes into the thalamus dies there
Subcortical Structures
*always associated with homeostasis
*control temp, thirst, milk release, hunger, cercadian rhythms, etc.
Limbic System
*ring of structures underneath cortex
*controls emotions and involved in memory formation
*hippocampus is one of these structures
Limbic System
*feelings about things
*reproductive urge, rage, fear, motivation, satisfaction, etc.
*few connections between cortex and limbic system
*cortex cant suppress emotions: need time, or distractions
*cortex determines response, emotions dont control muscle contraction
Limbic System
*neropinephrin, dopamine, serotonin
*drug therapy uses these receptors
*excess dopamine induces schizophrenia
*retention, storage, recall of info
*memory trace-rings of AP's
*declarative memory-facts, words, rules, etc.
*procedural memory-physical skills, habits--> cerebellum
Short Term Memory
*seconds to hours in hippocampus
*alter activity of existing synapses
*can be erased and replaced with new STM
Long Term Memory
*creation of new synapses in cortex(temportal/frontal lobe)
*multiple copies of important info
*retain youthful memories as you age
*tranfer memory from hippocampus to cortex
Working Memoryq
*frontal lobe
*aquires both STM and compares it to LTM
*new is compared with old
*determine relevance of new date, and organize priorities
*inability to recall info
*VERY common
*occurs after trauma-erase stm from hippocampus
*no LTM formed of these events;nothing to recall later
*very rare
*hippocampal damage-cant form new LT memory
*no loss of previous long term memory
*memory stuck on day of injury