Sensory-Perceptual Process
Terms
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- visual angosia
- the individual can see objects and identify their features but cannot recognize them
- prosopagnosia
- can identify details of faces, but cannot recognize them as a whole. Damage to the association cortex.
- sensation
- the processs that detects stimuli from the enviorment
- perception
- the process that organizes sensations into meaningfull wholes.
- psychophysics
- the study of the relationship between the physical characteristics of stimuli adn the correspinding psychological responses to them
- Weber and Fechner
- developed psychophysics
- absolute threshold
- the minimum amount of stimulationa person can detect. Also called the Limen
- subliminal perception
- there is no decicive evidence that subliminal messages can influence you
- difference threshold
- the minimum amountof change in stimulation that can be detected. Also called the just noticable diffrence (jnd)
- Weber's Law
- the amount of change in intensity of stimulation needed to produce jnd is a constant fraction of the original status
- sensory adaptation
- the tendency of sensory receptors to respond less and less to an unchanging stimulus. Lets us detect potentially important changes in our enviorment while ignoring unchanging aspects of it.
- Extrasensory perception (ESP)
- the possibility of perception independent of sensory receptors
- Paraosychology
- means "besides" and studies subjects that failed to gain widspread acceptance within mainstream psychology
- mental telepathy
- the ability to perceive the thoughts of others
- claivoyance
- the ability to percieve objects or events without any sensory contact
- precognition
- is the alleged ability to perceive events in the future
- deja vu
- an uncanny feeling that you have experianced a present situation in the past and that you can anticipate what will happen in the next few moments. Believed to be a short circuit of the corpus collosum.
- psychokinesis (PK)
- the ability to control objects with the mind.
- J.B Rhine
- credited with making parapsychology a ligitamate area of scientific reaserch