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AP Psych Mod 11
| Question | Answer |
|---|---|
| Cross wiring in brain | -left side of brain affects right side of body - right side of brain affects left side of the body |
| lesion | -destroying unhealthy brain cells |
| optogenetics | -uses light to control individual neurons |
| EEG (electroencephalogram) | -readout of the waves of electrical activity in brain using a head cap - used to measure brain response to repeated stimuli or detect patterns of neural activity. |
| MEG (magnetoencephalography) | measures magnetic fields from brain's 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) | disorients atoms of brain molecules using magnetic fields, causing atoms to emit signals that provide images of soft tissue including the brain |
| fMRI | reveal brain functioning and structure by tracking the blood flow in different areas in the brain to show which are active during specific tasks |
| default network | web of brain regions - supports mind wandering and daydreaming |
| brain stem | -oldest and innermost region -connects brain to the spinal cord |
| Medulla | control for heartbeat and breathing |
| thalamus | -acts as brain sensory control center - receives all sensory info but smell - sometimes directs information from brain to medulla and cerebellum -hub where neural information flows |
| Reticular formation | -helps control arousal and attention (enabling multitasking). -filters incoming sensory information, relays important signals to other brain areas, -A network of neurons in the brainstem |
| Cerebellum | -balance, coordination, and fine motor skills (like writing) -helps judge time, - called "little brain" |
| cerebral hemisphere | two halves of brain |
| limbic system | contains amygdala, hypothalamus, pituitary gland, and hippocampus -does emotions and memories |
| Amygdala | -brain area responsible for fear and aggression |
| Hypothalamus | -below the thalamus -influences hunger and sexual behavior -regulates temperature and thirst -linked to pleasurable rewards and homeostasis |
| Hippocampus | -processes conscious - creates memories (DOES NOT STORE THEM) -shrinks in size as we age |
| cerebral cortex | -outermost layer of the brain -responsible for ultimate control and information processing |
| Upper brain vs lower brain | -upper brain= high order thinking - lower brain= automatic functions needed to keep body alive |
| Amnesia | -loss of memory |
| Retrograde amnesia | -when you can't recall memories before a traumatic brain injury |
| Anterograde amnesia | -when you can't recall memories a a fter traumatic brain injury |
| cerebrum | -handles conscious thought, and voluntary actions. -regulates emotions and distinguishes textures and sounds (sensory perception) |
Created by:
KenechukwuIE