Term
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Definition
| Awareness resulting from the stimulation of a sense organ. |
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Term
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Definition
| the organization and interpretation of sensations |
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Term
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Definition
| the change of stimuli detected by receptor cells to electrical impluses that are then transported to the brain. |
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Term
Measuring Sensation:
Psychophysics - |
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Definition
| branch of pysch that studies the effects of physical stimuli on sensory perceptions and mental states. |
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Term
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Definition
| The intensity of a stimulus that allows an organism to just barely detect it. |
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Term
| Signal detection analysis |
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Definition
| a technique used to determine the ability of the perceiver to seperate true signals from background noise. |
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Term
| Just Noticeable Difference |
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Definition
| the change in a stimulus that can just barely be detected by the organism |
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Term
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Definition
| JND of a stimulus is a constant proportion of the original intensity of the stimulus. |
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Term
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Definition
| Stimuli that are below the absolute thershold and of which we are not conscious. |
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Term
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Definition
| a condition brought on by damage to the visual cortex in which people are unable to consciously report on visual stimuli but are able to accurately answer questions about what they are seeing. |
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Term
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Definition
| the distance between one wave peak and the next wave peak. |
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Term
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Definition
| a clear covering that protects the eye and begins to focus the incoming light. |
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Term
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Definition
| the small opening in the center of the eye that allows light to enter. |
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Term
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Definition
| the colored part of the eye that controls the size of the pupil by constricting or dilating in response to light intensity. |
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Term
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Definition
| a structure that focuses the incoming light on the retina |
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Term
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Definition
| the layer of tissue at the back of the eye that contains photoreceptor cells. |
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Term
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Definition
| the change of an existing schema on the basis of new information. |
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Term
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Definition
| a collection of millions of ganglion neurons that sends vast amounts of visual information, via the thalamus, to the brain. |
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Term
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Definition
| visual neurons that specialize in detecting black, white and gray colors. |
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Term
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Definition
| visual neurons that specialize in detecting bright colors and fine details |
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Term
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Definition
| the central part of the retina |
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Term
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Definition
| the place where the optic nerve leaves the retina |
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Term
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Definition
| specialized neurons located in the visual cortex that respond to movements, strength, angles, shapes, and edges of visual stimuli. |
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Term
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Definition
| color conveyed by the wavelength of the light that enters the eye. Detects the shade of color. |
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Term
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Definition
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Term
| Young-Helmholtz trichromatic color theory |
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Definition
| the theory of color perception that proposes that what color we see depends on the mix of the signals from the three types of cones. |
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Term
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Definition
| the inability to detect either green and/or red colors. |
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Term
| Opponent-process color theory |
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Definition
| the theory of color perception that proposes that we analyze sensory information in three sets of "opponent colors": red-green, yellow-blue, and white-black. |
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Term
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Definition
| the meaningful organized whole |
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Term
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Definition
Figure and Ground
Similarity
Proximity
Continuity
Closure |
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Term
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Definition
| the ability to perceive three-dimensional space and judge distance |
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Term
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Definition
| a set up that gives the perception of a dangerous drop-off, in which the infants can be safely tested for their perception of depth. |
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Term
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Definition
| messages from our body and the environment that suppy us with information about space and distance. |
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Term
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Definition
| Depth cues created by retinal disparity - that is, the space between our eyes, and thus require the coordination of both eyes. |
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Term
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Definition
| the inward turning of our eyes in order to focus on objects that are less than 50 feet away. |
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Term
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Definition
| depth cues that help us perceive depth with only one eye. |
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Term
Perceiving Motion:
Beta effect - |
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Definition
| the perception of motion that occurs when different images are presented next to each other in succession. |
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Term
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Definition
| perception of motion caused by the appearance and disappearance of objects that are near each other |
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Term
EAR:
Put eardrum, cochlea, ossicles and pinna in order from the out of the ear in.
And briefly describe |
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Definition
Pinna (external part of the ear)
Eardrum (membrane at the end of the ear canal that releys information)
Ossicles (tiny bones in the ear [hammer, anvil and stirrup] that relay sound from eardrum to cochlea)
Cochlea (small liquid filled tube in the inner ear that contains the cilla) [oval window covers the opening of the cochlea] |
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Term
| Frequency theory of hearing |
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Definition
| theory of pitch perception that proposes that nerve impulses corresponding to the pitch of a sound sent to the auditory nerve. |
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Term
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Definition
| theory of pitch perception that proposes that different areas of the cochlea respond to different sound frequencies. |
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Term
| 6 different taste sensations: |
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Definition
| sweet, salty, sour, bitter, piquancy(spicy) and umami(savory). |
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Term
4 basic touch sensations:
4 different combination sensations: |
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Definition
- pressure, hot, cold, pain
- tickle, heat, itching, wetness |
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Term
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Definition
| the ability to sense the position and movement of our body parts. |
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Term
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Definition
| a set of liquid-filled areas in the inner ear that monitor the head's position and movement, maintaing the body's balance. |
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Term
| Gate Control Theory of Pain |
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Definition
| theory of pain proposing that pain is determined by the operation of two types of nerve fibers in the spinal cord. |
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Term
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Definition
| the working together of different senses to create experience |
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Term
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Definition
| the ability to focus on some sensory inputs while tuning out others. |
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Term
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Definition
| a decreased sensitivity to a stimulus after prolonged and constant exposure. |
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Term
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Definition
| the ability to perceive a stimulus as constant despite changes in sensation. |
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Term
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Definition
| when the processes that normally help us correctly perceive the world around us are fooled by a particular situation so that we see something that does not exist. |
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Term
Frequency refers to _____ of sound waves.
Amplitude refers to _____ of sound waves.
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Definition
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