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Stack #4564944
| Question | Answer |
|---|---|
| Absolute Threshold | The lowest amount of something you can perceive 50% of the time |
| Sensation | the process of detecting and interpreting sensory stimuli from the environment |
| Perception | the way our brains organizing and interpreting information |
| Transduction | the process by which sensory receptors convert stimuli into electrical signals |
| Sensory Adaptation | when our senses become less sensitive to a constant or repeated stimulus over time |
| Sensory Interaction | how our five senses work together to help our perception of the world |
| Webers Law | the stronger the original stimulus, the more it needs to change before you notice a difference. |
| Just Noticeable difference | the smallest change something needs to experience for us to perceive a difference |
| Synesthesia | when one of our senses trigger an involuntary experience causing a blend of senses |
| Retina | a light-sensitive layer of tissue in the back of our eye that converts light into electrical signals that are transmitted to the brain |
| Fovea | center of the retina that is responsible for sharp, central vision |
| Lens | acts as a filter that shapes what information a person focuses on, how they interpret it, and the conclusions they draw |
| Blind Spot | an area of unawareness or lack of insight into one's own thoughts, feelings, or behaviors |
| Optic nerve | a sensory nerve that carries visual information from the retina to the brain |
| Accomodation | an involuntary visual response that allows the eyes to change focus between near and far objects |
| Rods | photosensitive cells that help us see black, grey and white (darkness) |
| Cones | photosensitive cells that help us see colors and daylight |
| Opponent process theory | When we perceive a color, the corresponding pair of cones in our eyes is activated |
| trichromatic theory | human color vision relies on three types of cone cells in the retina, each most sensitive to a different wavelength of light |
| afterimages | a visual sensation that stays after the removal of an image |
| Prosopagnosia | disorder that effects our ability to remember faces |
| Dichromatism | when a person can only see two colors |
| monochromatism | when a person can only see one color |
| nearsighted | a person can not see far away |
| farsighted | a person cannot see close up |
| blindsight | a person who cannot consciously see, but they can still detect and react to visual information |
| Relative Clarity | (monocular) objects are perceived as closer if they are sharper and more detailed, while hazier or blurrier objects are perceived as farther away |
| Texture gradient | (binocular) where objects appear to get finer and more detailed as they get closer |
| relative size | (monocular) the farther the object the smaller they are, the closer the object the closer it is even if the two objects are the same size |
| linear perspective | (binocular) paralell lines close in at a point creating an illusion of distance |
| retinal disparity | when the two eyes receive slightly different images of the same object due to their different perspectives. |
| convergence | (binocular) allows the brain to integrate information from various senses, |
| interposition | (monocular) when one object partially overlaps or covers another object, making the covered object appear farther away. |
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