Specialized nerve endings which respond to pain by detecting harmful stimuli.
Nociceptors
This bridge of nerve fibers connects the two hemispheres of the brain.
Corpus callosum
This is the lightest stage of sleep, when people are just beginning to fall asleep.
N1
According to Carl Jung, this is the "mask" or a certain version of them that a person presents to the world.
Persona
This term refers to culturally prescribed timing of life events, like marriage or having children.
Social clocks
This fluid-filled, snail-shaped structure in the inner ear plays a key role in hearing.
Cochlea
This scan shows brain function by using a radioactive tracer.
PET scan
This 24-hour internal clock regulates sleep.
Circadian rhythm
This occurs when a person’s ideal self-concept closely matches their actual self.
Congruence
This type of behavior promotes friendship, helps others and includes actions like donating or volunteering.
Prosocial behavior
This theory explains how we perceive things as whole forms rather than just a collection of parts.
Gestalt
This part of the limbic system, in the brain helps process emotions like fear and aggression.
Amygdala
The deepest stage of sleep, associated with vivid dreams.
REM sleep
This Big Five trait involves being sociable, talkative, and outgoing.
Extraversion
This occurs when people put in less effort when working in a group.
Social loafing
These stimuli fall below the threshold of awareness and are not consciously detected.
Subliminal stimuli
This division of the nervous system includes all the nerves OUTSIDE the brain and spinal cord.
This disorder causes overwhelming daytime sleepiness and sudden attacks of sleep going from fully awake directly to REM.
Narcolepsy
This term refers to the stability of the order of individual differences in traits across the lifespan.
Rank order consistency
This concept explains how we think others view us.
Reflected appraisal
These photoreceptor cells in your eye detect colors and fine detail.
Rods and cones
The space between two neurons where neurotransmitters are released.
Freud said this is the actual storyline or what you remember from your dream.
Manifest content
This controversy debates whether personality or environment better predicts behavior.
Person-situation controversy
This phenomenon explains why we think good things happen to good people and bad things to bad people.
Just-world phenomenon