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| The process by which the brain selects, organizes, and interprets sensations |
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| The minimal amount of physical energy (stimulation) needed for an observer to notice a stimulus |
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| The lowest level of stimulation required to sense that a change in stimulation has occured |
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| visual input integrated from two eyes that provides perception of depth |
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| Neurons that fire only when stimulation in the receptive field matches a particular pattern or orientation |
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| The ring of pigmented tissue that gives the eye its blue, green, or brown color; its muscle fibers cause the pupil to constrict or dilate |
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| the difference between the minimum and maximum pressure levels in a sound wave. measured in decibels; amplitude corresponds to the psychological property of loudness |
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| a single round of expansion and contraction of the distance between molecules of air in a sound wave |
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| Just Noticeable Difference |
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Definition
| The smallest difference in intensity between two stimuli that a person can detect |
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| The tough, transparent tissue covering the front of the eyeball |
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Definition
| One of two types of photoreceptors; allow vision in dim light |
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| One of two types of photoreceptors, which are specialized for color vision and allow perception of fine detail |
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| in a sound wave, the number of cycles per second, expressed in hertz and responsible for the subjective experience of the pitch |
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| The extent to which a sound wave is composed of multiple frequencies |
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| The psychological property corresponding to the frequency of a sound wave; the quality of a tone from low to high |
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| the psychological property corresponding to a sound wave's complexity; the texture of a sound |
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| identifying the location of a sound in space |
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| The process of converting physical energy into neural impulses |
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| The pair of structures in which transduction of smell occurs |
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| The bandle of axons from sensory receptor cells that trasmits information from the nose to the brain |
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| Structures that line the walls of the papillae of the tongue (and elsewhere in the mouth) that contain taste receptors |
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| Misleading "sensations" from missing limbs |
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