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perception midterm 2
the eye, color/brightness, v1 & lgn, object recognition
| Question | Answer |
|---|---|
| accommodation | the process by which the eye's lens changes shape to focus near or far objects on the retina |
| achromatopsia | An inability to perceive colors that is caused by damage to the central nervous system. |
| adaptation | (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light) |
| agnosia | failure to recognize or identify objects despite intact sensory function |
| amacrine cells | contact bipolar and ganglion cells |
| amblyopia | lazy eye |
| anomia | inability to name objects or to recognize written or spoken names of objects |
| aqueous humor | watery liquid secreted at the ciliary body that fills the anterior and posterior chambers of the eye and provides nourishment for the cornea, iris, and lens (humor = fluid) |
| astigmatism | (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea, impairing proper focus |
| basic categorization | largest class of which we can form a fairly concrete image (ie chair, ball) |
| bipolar cells | eye neurons that receive information from the retinal cells and distribute information to the ganglion cells of the optic nerve |
| blind spot | the point where the optic nerve enters the retina |
| brightness | intensity of reflected light that reaches our eyes |
| cataract | clouding of the natural lens of the eye |
| categorization | the act of distributing things into classes or categories of the same type |
| ciliary muscle | the tissue and muscle that surrounds the lens of the eye. it controls the shape of the lens. |
| color anomalous | color blind |
| complex cells | orientation selective, spatially homogenous receptive fields, mostly binocular, length summation |
| compression (intensity) | cells respond more to changes than to maintained levels |
| compression (resolution) | encoding information while reducing the bandwidth or bits required, leading to a loss in peripheral resolution. |
| cone | visual receptor cell sensitive to color, fine visual acuity and day light vision (s-cones, l-cones, m-cones) |
| cone monochromat | only one cone type, truly color blind |
| convergence | a binocular cue for perceiving depth; the extent to which the eyes converge inward when looking at an object |
| cornea | transparent anterior portion of the outer covering of the eye |
| cortical magnification | the amount of cortical area that is devoted to a specific region for the the visual system |
| crystalline lens | Part of the eye which in addition to the cornea refracts light rays and focuses them on the retina |
| deuteranope | an individual who suffers from color blindness that is due to the absence of M-cones |
| diffuse bipolar cells | retinal bipolar cells whose processes are spread out to receive input from multiple cones. Project to M ganglion cells |
| eccentricity | the distance between the retinal image and the fovea. |
| emmetropia | normal vision |
| fovea | area consisting of a small depression in the retina containing cones and where vision is most acute |
| ganglion cells | the specialized cells which lie behind the bipolar cells whose axons form the optic nerve which takes the information to the brain |
Created by:
gigihb
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