Unit 4 psychology terms Crossword

Involves processing information by starting with the individual elements of a visual stimulus and gradually building up a final representation and interpretation
Involves using psychological fators such as motivation, knowledge from past experience and the setting, or context, to interpret and assign meaning to a visual stimulus.
the capacity for or process of reacting to certain stimuli selectively when several occur simultaneously.
failing to see visible objects when our attention is directed elsewhere
our absolutely terrible ability to pick up on changes in the environment
the minimum stimulation needed to detect a particular stimulus 50 percent of the time
a theory predicting how and when we detect the presence of a faint stimulus ("signal") amid background stimulation ("noise"). Assumes there is no single absolute threshold and detection depends partly on a person's experience, expectations, motivation, and level of fatigue.
below ones absolute threshold for conscious awareness
the minimum difference between two stimuli required for detection 50 percent of the time. We experience the difference threshold as a just noticeable difference.
to be perceived as different, two stimuli must differ by a constant minimum percentage
conversion of one form of energy into another. In sensation, the transforming of stimulus energies, such as sights, sounds, and smells, into neural impulses our brains can interpret.
individual neurons—or groups of neurons—in the brain which code for perceptually significant stimuli
processing of severla aspects of a problem at the same time.
3 colors, retina contains three different color receptors, RGB, that mix to make every other color.
red-green, blue-yellow, black-white, may cause the afterimage effect
in hearing, the theory that links the pitch we hear with the place where the cochlea's membrane is stimulated
in hearing, the theory that the rate of nerve impulses traveling up the auditory nerve matches the frequency of a tone, thus enabling us to sense its pitch
hearing loss caused by damage to the mechanical system that conducts sound waves to the cochlea
hearing loss caused by damage to the cochlea's receptor cells or to the auditory nerves; also called nerve deafness
the theory that the spinal cord contains a neurological gate that blocks pain signals or allow them to pass on to the brain
the system for sensing the position and movement of individual body parts
the sense of body movement and position, including the sense of balance
a laboratory device for testing depth perception in infants and young animals