Psychology notes from kahoot

Which structure om the brain serves as the main clock mechanism for biological rhythms 

  • SCN

Hormone secretion, body temperature, alertness levels over a 24 hour cycle are example 

  • Circadian 

Melatonin release is simulated by darkness and inhaibited by light which gland produces melatonin. 

  • Pineal gland 

Result of chronic sleep deprivation and

  • Decreased immune function 

Brain waves are quiet wakefullness with eyes closed are predomintalty characterized by 

  • Alpha waves

stage 2 NREM sleep is characterized by the presence of

  • sleep spindles and k complexes

Stage 3 sleep is often reffered to as

  • slow wave sleep

Rem sleep is called paradoxial sleep because of

  • high brain activity

Sigmund freud the underlying meaning of a dream is

  • latent content

the activation synthetsis theroy of dreaming suggests that dream

  • \\neureal signals synthezisez

persistent difficulty in falling alseep or staying sleep

  • insomnia

sleep walking is most frequent in stage (sonamumbullism)

  • three (slow wave)

irestible urge to fall asleep

  • narcolepsy

obsturctive sleep apnea ocurs when

  • ariways become blocked

physical deoendence on a substance

  • changes in bodly functions

drug tolerance aoccrus when

  • more of a drug less effect

alochol,barbituattes,benzondizpeines what class of drugs

  • depressents

cocacine, amptheamines, nicotine

  • stimulants increASES NEAURLOICAL ACTIVITY

morphine, heroin, codeine

  • opiods

LSD, mescaline, psilcobyin

  • hallicuingens

hypnosis is desibed as a state of

  • high focused attention

social congtive theroy of hypnosis

  • perfom social role of knowing more, more likley to be hyonotized

medation

  • clearing the mind

primary function of k complexes during stage 2 sleep

  • supreses cortical arrousal

SIDS

  • repseration

sensation differs form perception by

  • detection of raw senrosry

physical energy from the environment — > eolectrical nural impuluses

  • transduction

minuium amount of needed stimulus energy

  • absoulte threshold

Webers law, JND between 2 stimuli

  • constant fraction

fimished senttivity to unchanging stimulus

  • sensory adaption

faliing to notice unexpected and visible object in sight

  • inentional blindeness

visible light wavelength

  • color

clear outer structure of the eye focuuses light waves

  • cornea

rods are speciaized for

  • low light vision

cones are in what region of eye

  • fovea

why do we have a blind spot

  • retinal ganlion cell axons

trichomatic color theroy

  • RGB

Neagtive after images

  • opponent- process theroy

amplitude of sound wave

  • loudness

middle ear, 3 bones, called

  • ossicles

sound transductiohn

  • hairs bent along membrane in cochlea

Pitch perception

  • different regions of the chochlea (pitch)