Terms : Hide Images
| 2939132450 | Sensation | The Stimulation of Sense Organs. | 0 | |
| 2939136028 | Perception | the Selection, Organization, and interpretation of Sensory Input. | 1 | |
| 2939138567 | Psychophysics | Study of how physical stimuli are translated into Psychological Experience. | 2 | |
| 2939141228 | Absolute Threshold | Minimum Stimulus Intensity that an Organism can detect. As Stimulus Intensity Increases, the Subject's probability to responding to Stimuli Gradually increases. | 3 | |
| 2939146824 | Just Noticeable Difference (JND) | The smallest difference in stimulus intensity that a specific sense can detect. | 4 | |
| 2939148721 | Weber's Law | The size of a Just Noticeable Difference is a constant proportion of the size of the initial Stimulus. | 5 | |
| 2939150350 | Weber's Fraction | The Fractions that apply to different Sensory Inputs until a Difference is noted. Increases constantly proportionately. | 6 | |
| 2939152301 | Signal-Detection Theory | The detection of stimuli involves Decision Processes, along as Sensory Processes, which are both influenced by a variety of factors besides Stimulus Intensity | 7 | |
| 2939154686 | Noise | Background distractions that lower the chance of detection of a Stimulus | 8 | |
| 2939156895 | Subliminal Perception | The registration of Sensory Input without conscious awareness. | 9 | |
| 2939167932 | Sensory Adaptation | The Gradual Decline in Sensitivity to prolonged Stimulation. | 10 | |
| 2939172066 | Light | Form of Electromagnetic Radiation that travels as a wave at the Speed of Light. | 11 | |
| 2939173918 | Amplitude | Affects perception of brightness (Height) | 12 | |
| 2939176323 | Wavelength | Affects perception of Color (Distance between Peaks). | 13 | |
| 2939189741 | Lens | Transparent eye Structure that focuses the light rays falling on the Retina. | 14 | |
| 2939192485 | Nearsightedness | Caused by Retina, Close objects are seen clearly, but distant objects appear blurry. | 15 | |
| 2939194567 | Farsightedness | Distant objects are seen clearly, but close objects appear blurry. | 16 | |
| 2939196425 | Pupil | The opening into the center of the Iris that permits light to pass into the rear chamber of the eye. | 17 | |
| 2939197823 | Iris | Regulates the amount of Light entering the Pupil by controlling the size of the Pupil. | 18 | |
| 2939199864 | Retina | Neural Tissue lining the inside back surface of the eye; it absorbs light, processes images, and sends visual information to the brain. Part of the nervous system | 19 | |
| 2939202268 | Optic Disk | A hole in the Retina where the Optic Nerve Fibers exit the eye. | 20 | |
| 2939208032 | Rods Outnumber Cones. | 21 | ||
| 2939208033 | Cones | Play a key role in Daylight Vision and Color Vision. | 22 | |
| 2939210421 | Fovea | Tiny spot in the center of the Retina that contains only Cones; visual clarity is best here. | 23 | |
| 2939212171 | Rods | Play a key role in Night Vision and Peripheral Vision. When you want to see an object in the dark, look slightly above or below where it should be to find it easier. | 24 | |
| 2939214389 | Dark Adaptation | The process in which the eye becomes more sensitive to light in low illumination. | 25 | |
| 2939216694 | Light Adaptation | Process in which the eye becomes less sensitive to light in High Illumination. | 26 | |
| 2939220505 | Receptive Field of a Visual Cell | The Retina area that when stimulated, affects the firing of that Cell. | 27 | |
| 2939223903 | Lateral Antagonism | Occurs when Neural Activity in a cell opposes activity in surrounding cells. | 28 | |
| 2939238880 | Optic Chiasm | The point at which the optic Nerves from the Inside half of each eye cross over and then project to the opposite half of the Brain. | 29 | |
| 2939242263 | Parallel Processing | 2 Channels simultaneously extract different kinds of Information from the same input. | 30 | |
| 2939243757 | Feature Detectors | Neurons that respond selectively to very specific Features of more Complex Stimuli. | 31 | |
| 2939246364 | Color is viewed by Wavelength (Hue) Amplitude (Brightness) and Purity (Saturation) | 32 | ||
| 2939246365 | Subtractive Color Mixing | Works by removing some Wavelength of light, leaving less light than originally there. | 33 | |
| 2939250902 | Additive Color Mixing | Works by Superimposing Lights, putting more light in the mixture than exists in any one light by itself. | 34 | |
| 2939255807 | Trichromatic Theory | Color Vision holds that the Human eye has 3 types of Receptors with differing sensitivities to different light wavelengths | 35 | |
| 2939257979 | Color Blindness | Inability to distinguish variety among colors. | 36 | |
| 2939259844 | Complementary Colors | Pairs of Colors that produce gray tones when mixed together. | 37 | |
| 2939261315 | Afterimage | A visual image that persists after a stimulus is removed. | 38 | |
| 2939263449 | Opponent Process Theory | Ewald Hering - Color Vision holds that color perception depends on receptors that make antagonistic responses to three pairs of colors. Recent Studies show both Theories are somewhat Right. | 39 | |
| 2939266022 | Reversible Figure | A drawing that is compatible with two interpretations that can shift back and forth. | 40 | |
| 2939268633 | Perceptual Set | A readiness to perceive a stimulus in a particular way | 41 | |
| 2939270516 | Inattentional Blindness | Involves ones failure to see visible objects or events because one's attention is focused elsewhere. | 42 | |
| 2939274395 | Feature Analysis | Process of detecting specific elements in visual input and assembling them into a more complex form. You use Lines, Curves, and Corners to create and identify Objects. | 43 | |
| 2939278217 | Bottom-Up Processing | A Progression from individual elements to the whole. | 44 | |
| 2939279867 | Top-Down Processing | A progression from the Whole to the Elements. | 45 | |
| 2939281459 | Subjective Contours | Perception of Contours (Outlines) where actually none exist. | 46 | |
| 2939283862 | Gestalt Psychology | Influential School of Thought that emerged in Germany in 1950's | 47 | |
| 2939285148 | Phi Phenomenon | The illusion of Movement created by presenting visual Stimuli in Rapid Succession. | 48 | |
| 2939286753 | Gestalt Principles | How the Visual System Organizes a Scene into discreet forms. | 49 | |
| 2939290969 | Figure | Object being Looked at. | 50 | |
| 2939292923 | Ground | Background | 51 | |
| 2939294610 | Proximity | Elements that are close to one another are grouped together. | 52 | |
| 2939296406 | Closure | Viewers Supply Missing Elements to close or complete a Familiar figure | 53 | |
| 2939298232 | Similarity | Elements that are similar are grouped together. | 54 | |
| 2939318453 | Simplicity | Viewers Organize elements in the simplest way Possible. | 55 | |
| 2939321686 | Continuity | Viewers see elements in ways that produce smooth Continuation. | 56 | |
| 2939325211 | Distal Stimuli | Stimuli that lies in the Distance | 57 | |
| 2939328455 | Proximal Stimuli | The Stimulus energies that impinge directly on Sensory Receptors | 58 | |
| 2939331141 | Perceptual Hypothesis | An inference about which distal stimuli could be responsible for the proximal stimuli sensed. | 59 | |
| 2939334195 | Our Perceptual Hypotheses are guided by our Experience-Based Expectations. | 60 | ||
| 2939334196 | Depth Perception | Interpretation of Visual Cues that indicate how near or Far away Objects are. | 61 | |
| 2939337037 | Binocular Depth Cues | Clues about Distance based on the differing views of the two eyes | 62 | |
| 2939338643 | Retinal Disparity | Refers to the fact that objects within 25 feet project images to slightly different locations on the Right and Left Retinas, so each eye sees a slightly Different view of the Object. | 63 | |
| 2939340835 | Convergence | Involves sensing the eyes converging toward each other as they focus on Closer Objects. | 64 | |
| 2939343079 | Monocular Depth Cues | Clues about the distance based on the image in either eye alone. | 65 | |
| 2939344873 | Motion Parallax | Images at different distances move across the Retina at different Rates. | 66 | |
| 2939347925 | Pictorial Depth Cues | Cues about distance that can be given in a flat Picture. | 67 | |
| 2939352668 | Perceptual Consistency | A tendency to experience a stable perception in the face of Continually Changing Sensory Input | 68 | |
| 2939354939 | Visual Illusion | An inexplicable discrepancy between the appearance of a visual Stimulus and its Physical Reality. | 69 | |
| 2939357071 | Impossible Figures | Objects that can be represented in two-dimensional pictures but cannot exist in 3D space. | 70 |
