Sensation & Perception
Detecting physical energy vs. interpreting it
What is sensation and perception?
Internal biological clock that runs on a 24-hour cycle
What is circadian rhythm?
State of focused attention and increased suggestibility
What is hypnosis?
Drugs that alter mood, thinking, or behavior
What are psychoactive drugs?
Awareness of ourselves and environment
What is consciousness?
Conversion of physical energy into neural signals
What is transduction?
Brain structure that controls circadian rhythm
What is the SCN (suprachiasmatic nucleus)?
Suggestions that occur after hypnosis ends
What are post-hypnotic suggestions?
Drug category that slows the CNS
What are depressants?
Reduced responsiveness to constant stimulation
What is sensory adaptation?
Cells responsible for vision transduction
What are rods and cones?
Stage of sleep where vivid dreams occur
What is REM sleep?
Hilgard’s theory explaining divided consciousness
What is neodissociation theory?
Drug category that increases alertness and energy
What are stimulants?
Below the level of conscious awareness
What is subliminal?
The part of the eye responsible for the blind spot
What is the optic nerve?
Brain waves when awake and alert
What are beta waves?
Theory that hypnosis is just role-playing
What is the social-cognitive theory?
Brain chemical most associated with addiction/reward
What is dopamine?
Loss of interest in pleasurable activities (in mice or humans)
What is anhedonia?
Sense that bypasses the thalamus
What is smell (olfaction)?
Theory that dreams are random brain activity interpreted by the brain
What is activation-synthesis theory?
People most likely to be hypnotized
Who are those with high suggestibility/imagination?
Needing more of a drug to get the same effect
What is tolerance?
Brain areas tied to emotion and memory (smell connection)
What are the amygdala and hippocampus?