Week 3 Flashcards
(15 cards)
What is Hemispatial Neglect?
caused by damage 9usually a stroke) in the cerebral cortex on one side
- In parietal lobe
What is the peripheral nervous system?
bundles of neurons connecting the CNS to the rest of the body
Who was H.M? What does his story suggest ab the brain?
- he developed epilepsy
- went to surgery to remove regions of his brain
- seemed normal but resulted in short term memory
- hippocampus was effected
What is the central nervous system (CNS)?
- protected by bony structures
- layers of soft protective tissue b/t bone and nervous tissue
What is the somatic nervous system?
responsible for communication info about our environment (sensory fibers)
- voluntary muscle movement
What are the main functions of the parietal lobe?
touch, spatial awareness, map of skins surface
What is the autonomic nervous system?
involuntary movement (heartbeat, pupil, hormones)
What are the main functions of the temporal lobe?
hearing, object memory
What are the main functions of the frontal lobe?
Complex thought, planning, movement control, map of body muscles
What are the sympathetic and parasympathetic branches of the autonomic nervous system?
(SYPATHETIC):
-“fight or flight”
- increase function of systems needed to do the thing right now
-decrease function of systems that can wait for better times
(PARASYMPATHETIC):
- relaxed
- not a phone in sight
- vibes
What are the key components of the endocrine system?
- brain (including hypothalamus), detects stressor
- hypothalamus directs pituitary to release a hormone into bloodstream that increases the function of adrenal lands
- Adrenal glands release more cortisol into the bloodstream
- cortisol changes the way multiple systems work (including brain- ex: memory, attention)
- brain eventually detects elevated cortisol, tell hypothalamus that’s enough
What are the main functions of the insular lobe?
taste, awareness or internal organs
What are the main functions of the occipital lobe?
vision
What is aphasia?
impaired spoken communication
