Test 2 Flashcards
What is perception?
The process of integrating, organizing, and interpreting the sensation.
Transduction?
Physical energy is changed into a coded neural signal, processed by the nervous system
What is absolute threshold? Examples?
Using the smallest strength of stimulus that can be detected half the time. Ex: hearing fingers rub together at a certain spot.
What is the difference threshold
Smallest possible difference between two stimuli that can be detected half the time Ex. Two bags of pennies that weigh slightly different
What is weber’s law?
The bigger the original stimulus the more it will take to tell the difference. Ex. Lowering OZ tuna
What is subliminal perception?
Detection of stimuli that are below the threshold of conscious awareness. Congress made it illegal
Sensory adaptation?
Decline of sensitivity to a constant stimulus. Hot tub, smell of candle
What is prosopagnosia?
Face blindness
What is priming?
is the implicit memory effect in which exposure to a stimulus influences response to a later stimulus. Ex. Money and helping people
What are the 7 senses called and their scientific names
1) hearing - audition
2) vision - optic
3) smell- olfaction
4) taste- gustation
5) touch- tactile
6) movement- kinesthetic
7) balance- vestibular
ESP-
Extra sensory perception of information by some means other than the normal processes
What is Parapsycholgy?
The scientific claims of paranormal phenomena and abilities
Depth perception?
Use of visual cues to perceive the distance of three dimensional characteristics of objects
Monocular cues?
Distance and depth cues processed by one eye.
Binocular cues?
Distance or depth cues that require the use of both eyes
Do we have depth perception when we are born?
Yes but not till a month after crawling
Mueller-lyer illusion?
Visual illusion where the center line appears longer when arrows point outward and middle line appears shorter when arrows point inward.
What is the McGurk effect?
Auditory illusion of visible face movements to normal speech perception. Vision can overpower what we are hearing
Sensory interaction?
Interaction of the senses to each other and how they influence each other. Ex: taste and smell: food tastes more bland when a person plugs his nose.
What is fusiform gyrus?
Are of the brain that damaged can create faceblindness
What is sensation?
Detecting a physical stimulus, such as light, sound, heat, pain.
Fallacy of positive instances?
Tendency to remember coincidences that seem to confirm our beliefs. Ex: I was just thinking of u when u called me.
What is gestalt psychology?
School founded in Germany, says are sensations are actively processed according to consistent rules. Meaningful whole perceptions
Figure-ground-relationship?
A gestalt relationship says we automatically separate perception into a feature that stands out ( figure) and a background (ground)
Similarity?
Perceive objects of a similar size, shape, or color as a unit.
Closure-
Tendency to fill in the gaps in an incomplete image
Continuation?
Tendency to group elements that appear to follow the same direction as a single unit
Proximity?
Tendency to perceive objects that are close to each other as a single unit
What are some things that can effect our perception of pain?
Fast and slow pain receptors
What are fast and slow pain receptors?
Fast have myelinated axons and cannot be reduced by endorphins and morphine.
Slow have un myelinated axons
