brain notes, Aug-30 Flashcards
the PNS splits off into the
autonomic and somatic categories
self regulatory system
autonomic
regulates the internal organs and glands.= digestion, heart rate, respiratory
autonomic
the autonomic system splits into the
sympathetic and parasympathetic
causes the arousal=fight or flight system
sympathetic
helps to clam the heart rate back down
parasympathetic
brain’s communication, link to outside world
somatic
the somatic splits into
sensory (afferent) and motor (efferent)
sends messages of sense to the brain
sensory
sends messages from brain to muscles
motor
endocrine system deals with
hormones
chemical messengers/ neurotransmitters
hormones
the brain is made up of ___
2 hemispheres
permits exchange of information between the two hemispheres
corpus callosum
the left brain deals with
writing, movements on the right side of the body, language
the right brain deals with
touch, movements on the left side of the body, nonverbal, visual, and spatial skills
study someone’s brain by examining the shape and bumps on the head
phrenology
x-rays to look inside the brain
ct scan
looks at brain activity, looking at electrobes
pet scan
using powerful magnetic imagery to create 3d images without x-ray
MRI
records both activity and the structure
f-mri
towards the front, deals with movement and thinking. affects personality, rage, and emotions
frontal lobe
towards the back and top. touch sensation and spatial relationships
parietal
where the vision is
occipital
sounds, speech, storing long term memories
temporal
language problems
aphasia