Unit 3 Sensation and Perception Flashcards
What is your teachers name?
Coach Brackett
Which nerve carries impulses from the retina to the brain?
Optic nerve
What occurs when a stimulus activates a receptor?
Sensation
What is the principle that for any change in a stimulus to be detected, a constant proportion of that stimulus must be added or subtracted?
Weber’s Law
What is the process of combining the images received from two eyes into a single, fused image?
Binocular fusion
What is the apparent movement of stationary objects relative to one another that occurs when the observer changes position?
Motion parallax
The nerve that carries smell impulses from the nose to the brain
Olfactory Nerve
A group of psychic experiences that involves perceiving or sending information (images) outside normal sensory processes or channels; includes four general abilities.
Extrasensory Perception (ESP)
What is the organization of sensory information in to meaningful experiences?
Perception
The nerve that carries impulses from the inner ear to the brain, resulting in the perception of sound
Auditory nerve
The study of people’s tendencies to make correct judgements,misses,and false alarms in detecting the presence of stimuli
Signal Detection Theory
The sense of movement and body position is?
Kinesthesis
What is a brief auditory or visual message that is presented below the absolute threshold so that their chance of perception is less than 50%?
Subliminal messages
What is the tendency to perceive certain objects in the same way regardless of changing angle, distance, or lighting?
Constancy
The difference between the images on the retinas
Retinal disparity
What are perceptions that misrepresent physical stimuli?
Illusions
What is The study of the relationships between sensory experiences and the physical stimuli that cause them ?
Psychophysics
What occurs when a stimuli activates a reception?
Sensation
What are the Three, semi circle shaped canals. Located in the inner ear that provide the sense of balance
The Vestibular system
What is the weakest amount of a stimulus that a person can detect half the time?
Absolute Threshold
What is a flexible structure that focuses light energy on the retina?
Lens
What is the layer at the back of the eyeball that is sensitive to light?
Retina
What occurs when a stimulus activates a receptor.
Sensation
What is The opening in the iris that regulates the amount of light entering the eye.
Pupil
