Things I Need To Know For Most Recent Test Flashcards
Interneurons
Transmit signal between neurons
Motor neurons
Transmits signal to muscle causing contractions
Sensory neurons
Carry signals from body to nervous system
Glial cells
Provide support and structure to neurons
Dopamine
Reward, body movement, learning
Serotonin
Mood, perception, sleep
Noradrenaline
Activates brain regions often for fight or flight responses
Acetylcholine
Present in every motor neuron
Glutamate
Universal excitatory
GABA
Universal inhibitory
Endorphin
Potent pain relief
Agonists
React like a neurotransmitter
Action potential
Once it starts it doesn’t stop
Phineas gage
Railroad accident
Personality change
Rod went from left frontal lobe
Neural plasticity: structural
Physical or chemical changes to accommodate new skills of knowledge
Neural plasticity: Functional
Functions can be moved from a damaged part of the Brian to a healthy part
Neural plasticity: neurogenesis
Creation of new neurons before birth or at puberty
Central nervous system
Protected by bone
Brain, spinal cord
Spinal cord
Originates from the spine
Involuntary
Pain-spine-pain
Parasympathetic nervous system
Brains, body systems to regular function
Somatic nervous system
Voluntary motion function
Autonomic nervous system
Involuntary functions
Sympathetic nervous system
Fight or flight response, increases heat, o2, Publis dilate
MRI
Magnets, high structural view
Pet scans
Visualize brain activities
FMRI
Combines MRI + Pet scan
Diffusion MRI
Measures neural impulse
Antagonists
Prevent a neurotransmitter from working
