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psy2.

psy

QuestionAnswer
Sensation the stimulation of sensory receptors by various forms of energy
perception the process by which sensations are organized into an inner representation of the world
what are difference b/w sensation and perception sensation is the pickup of information by our sensroy receptors, Perception is the interpretation of what is sensed
How do we sense our world? sight, hearing, taste, smell, touch, pressure, Kinesthesis, vestibular sense.
How do sensory organs function? Organs detect sensation and transmitts to brain
Neural code how sensory and other information is presented in the brain by networks of neurons.
Botton up The manner in which biological structure and fuction. Determine what is procede.
Top down The manner in which your mood, social situation beliefs, and culture of origin influences what is proceed.
Pupil The apparenently black opening in the center of the iris, through which light enters the eye.
Iris A muscular membrane whose dilation regulates the amount of light that enters the eye.
Lens A transparent body behind the iris that focuses an image on the retina.
Retina The area of the inner surface of the eye that contains rods and cones.
Fovea An area near the center of the retina that is dense with cones and where vision is consequently most acute.
Optic nerve The nerve that transmits sensory information from the eye to the brain.
Blind spot The area of the retina where axons from ganglion cells meet to form the optic nerve.
Cornea Transparent tissue forming the outer surface of the eyeball.
Accommodation the modification od schemas so that information inconsistant with exsting schemas can be integrated or understood.
Electromagnetic spectrum the range of all possible frequencies of electromagnetic rediation
How does the eye works? The many parts of the eye works together transform light rays passing through your pupil into information that you brain can interpret.
Cones cone-shaped photoreceptors that transmit sensation of color.
Rods Rod-shaped photoreceptors that are sensitive only to the intensity of light.(night vision)
Trichomatic theory The theory that color vision is made possible by three types of cones, some of which respond to red light, some to green, and some to blue.
Primary pathway Eyes and retina, travels to the lateral geniculate nucleus, to the primary visual cortex, and then to either the dorsal or ventral pathway.
Perceptual organization the tendency to integrated perceptual elements into meaningful patterns.
Gestalts unified whole
Figure ground perception organized perception into a figure and background
Proximity percieve stimuli as going together due to their closeness in space.
similarity organization of stimuli into similarties and differentiate(colors, shape).
Continuity the tendency to perceive a broken figure as being complete or whole.
Closure the tendency to perceive a series of points or lines as having unity.
Binocular cues Stimuli suggestive of depth that involve simultanneous perceive by both eyes.
Monocular cues Stimuli suggestive of depth that can be perceived with only one eye.
Barbiturates An addictive depressant used to relive anxiety or induce sleep(drowsiness, motor impariment, slurred speech, irritability, poor judgement).
Amphetamines stimulants derived from alpha-methyl-beta-phenyl-ethyl-amine, a colorness liquid consisting of carbon, hydrogen, and nitrogen.
Cocaine Stimulant that produces euphoria, reduces hunger, deadens pain, and bolsters self-confidence.
Nicotine Stimulates discharge of the hormone adrenaline and the release of many neurotransmitters, including dopamine and acetylcholine.
LSD Lysergic acid diethylamide. A hellucinogenic drug.
Created by: 100000740600831
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