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psychology chatper 1
| Term | Definition |
|---|---|
| curiosity | asking if it works |
| skepticism | needs evidence |
| humility | modest view |
| Nature vs nurture | genetic vs environment |
| sympathetic | wakes up ur fight or flight state ( heart race, hoarsed breathing) releases stress hormones |
| parasympathetic | calms u down conserving energy |
| central nervous system | brain and spina cord |
| peripheral nervous system | gathers info and sends the cns decisions to the body. |
| sensory neurons | carry messages from the tisue to cns |
| motor neurons | carry instructions from the cns out to the muscle |
| interneurons | processes information between sensory input and motor output |
| somatic nervous system | allows voluntary control and movement |
| autonomic nervous system | controls our glands and internal organ muscles |
| agonist | chemicals/drugs that mimic a neurotransmitter and strengthens the effects |
| antagonists | chemicals/ drugs that block the normal activity and weakens effects. |
| ( back ) hind brain | directs essential survival functions ( breathing sleping balance) |
| midbrain | connects hind brain to forebrain and sends auditory visual info |
| (front) forebrain | handles cognitive activity , sensory and voluntary motor activities |
| brain stem | central core |
| medulla | (hindbrain) controls heartbeat and breath |
| pons | coordinate movement and control sleep |
| thalamus | (forebrain) sensory control center, sends info to the brain for all senses but smell. |
| cerebellum | (hindbrain) allows nonverbal memory and skill elraning. processes movment and sensory input |
| limbic system | emotion and tension |
| amygdala | fear and agression |
| hypothalamus | maintenance activities ( drinking eating body temp) |
| hippo campus | processes consious memories |
| frontal lobe | allows lanuage processing, muscle movement, and order thinking and judgment (logic) |
| parietal lobes | sensation |
| occipital lobes | vision |
| temporal lobes | proesses languages via sound |
| acetylcholine | allows muscle action, learning and memory, ( good for alzheimer) |
| dopamine | influences movement, attention and mood (too much leads to schizophernia) |
| serotonin | affects mood, hunger, sleep, and arousal. (too little causes depression ) |
| norepinephrine | controls alertness and arousal )can depress mood ) |
| endorphins | influence the perception of pain or pleasure |
| ghrelin | in creases appetite and stimulates the desire to eat |
| leptin | supresses appetite |
| brocas area | speech defficiency |
| wernicks area | speech comprehender |
| consciousness | subjective awareness of ourselfes |
| ]dual processing | information is simultaneously processed on conscience and unconsicne tracks. |
| circadian rhythm | internal body clock |
| REM sleep | rapid eye movement where vivid dreams often form |
| NREM sleep | no rapid eye movmeent, all sleep stages but rem |
| sleep spindles | bursts of rapic rhythmic brain wave activity |
| sleep paralysis | when u are conscious during rem but not ur body |
| melatonin | sleep inducing hormone |
| insomnia | dificulty falling aslep |
| narclepsy | sudden attacks of sleepiness |
| sleep apnea | stopped breathing repeatedly |
| REM disorder | speaking or acting out the dream |
| prospoagnosia | face blindness |
| perception | allows us to recognize objects and meaniful events |
| sensations | recieving stimulas energy from the environment |
| absolute thresh hold | minimum stimulas energy needed to detect a partiuclar stimulas |
| sublimal stimulis | signals you dont detect |
| diference threshold | minimum amount of stimulas that a person can detect |
| webers law | for someone to dewtect change, 2 stimulis must differ by a constant minimum percentage. |
| sensory adapting | when ur constantly eposed to an untouched stiuli u get more used to it |
| light wavelength | distance from one wave peak to another |
| intensity | amount of energy the wavs contains |
| short waves= | high frequency or bluish colors |
| long waves | low frequcny red colors |
| more amplitutde | bright colors |
| less amplitutde | dull colors |
| cornea | bends light to help focus |
| pupil | is a small adjjustable eye opening |
| iris | colored muscle that dilates in response to light. |
| lens | cahnges shape to help focus images on the retina |
| retina | processess visual information |
| rods | detecete black white and gray colors, sensitive to movemnt |
| cones, | function in daylight, see color and detect fine details. |
| optic nerve | carries neral impulses from the eye to the brain. |
| fovea | central focal point |
| gustation | sense of taste |
| umami | savory taste |
| oleogustus | sense of fat |
Created by:
Marsinajar