ch. 1 definitions
Neuroscience
study of body and brain working together
phrenology
ill fated theory
-bumps on ones skull reveals mental abilities and character
action potential
a brief electrical charge that travels down the axon
agonist
a molecule that increases a neurotransmitters actions
Adrenal glands
triggers fight or flight response
releases adrenaline and non adrenaline
psycho-dynamic
study of unconscious drives
biological psychology
studies the link between biology and behavior
synapse
gap/ junction between sending and receiving neuron
antagonist
a molecule that inhibits or blocks a neurotransmitters actions
Pituitary gland
Master gland of endocrine system
-regulates body growth and physical development
-releases Oxycontin
behavioral psychology
observable responses are acquired/ changed
definition of neurons ( also state 3 steps of what they do)
basic building blocks of the nervous system
1 receive info
2 process info
3 transmit info
dendrites
receives info from sensory reception
what does SAME stand for
S: sensory admit A: afferent M:motor E: efferent exit
Cerebellum
two wrinkled hemispheres
influences non verbal learning and skill memory
most obvious function= muscle control
What is the scientific attitude (what are 3 characteristics)
its related to critical thinking
-curiosity
-open minded skepticism
-humility
plasticity
ability for the brain to develop new neural pathways
*the body's ability to modify itself after damage*
axon
a single fiber that passes info through terminal branches
Endorphins
trigger a positive feeling in the body
"runners high"
this helps diminish perception of pain
Thalamus
brains sensory switch board
- deals with all senses except smell
introspection
looking inward and noting your immediate sensations/ feelings
what does SQRRR
Survey, Question, Read, Retrieve, Review
what is the afferent admit and efferent exit?
afferent= sensory neuron
efferent exit= motor neurons
Hormones
chemical messengers produced in one tissue, then travels through the blood affecting other tissues
what does the amygdala influence
aggression and fear