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Module 11
AP Psych
| Term | Definition |
|---|---|
| lesion | destroy/destruction of |
| * neuroscientists | can stimulate various body parts + see where info goes |
| optogenetics | uses light to control individual neurons |
| EEG (electroencephalogram) | readout of the waves of electrical activity in brain - presents stimulus repeatedly and monitor activity unrelated |
| MEG (magnetoencephalography) | measures magnetic fields from brains natural electrical activity |
| CT (computed tomography) | examines brain by taking x-ray pictures to reveal brain damage |
| PET (position emission tomography) | picks up brain activity by showing consumption levels of sugar glucose by each brain part |
| MRI (magnetic resonance imaging) | disorientation of atoms of brain molecules that go back to place and emit signals that provide images of soft tissue including the brain |
| ventricles | fluid filled brain areas |
| fMRI | reveal brain functioning + structure - specific areas activate by increase of oxygen-laded blood flow |
| default network | web of brain regions - supports mind wandering and daydreaming |
| diffusion spectrum imagining | type of MRI that draws out long-distance brain fiber connection |
| brain stem | oldest and innermost region |
| medulla | control for heartbeat and breathing |
| pons | coordinate movement and sleep |
| thalamus | acts as brain sensory control center - receives all info but smell - sometimes takes the higher replies and directs to medulla nad cerebellum |
| reticular (network) formation | neuron network - sensory imput flows to thalamus and sometimes travels here, filtering stimuli and relays important info to other brain areas |
| cerebellum | enables nonverbal learning and memory skins + judge time, and modulating emotions and textures/sounds - "little brain" |
| cerebral hemisphere | two halves of brain |
| limbic system | contains amygdala, hypothalamus and hippocampus - emotions and memories |
| amygdala | aggression and fear link - not the only part responsible |
| hypothalamus | below thalamus, governs body maintenance - influence hunger + regular thirst, body temp and sexual behavior - tunes in blood chem and orders from other parts of brain - provides pleasurable rewards |
| reward deficiency syndrom | crave whatever provides missing pleasure |
| hippocampus | processes conscious, explicit memories - decreases in size/function with age - does NOT store memories! |
Created by:
nagkto
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