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In perceptual psychology, a stimulus is an energy change (e.g., light or sound) which is registered by the senses (e.g., vision, hearing, taste, etc.) and constitutes the basis for perception. [2] In behavioral psychology (i.e., classical and operant conditioning), a stimulus constitutes the basis for behavior. [2]
Sentience is the ability to experience feelings and sensations. [3] It may not necessarily imply higher cognitive functions such as awareness , reasoning , or complex thought processes. Sentience is an important concept in ethics , as the ability to experience happiness or suffering often forms a basis for determining which entities deserve ...
The semiosphere is a concept in biosemiotic theory, according to which - contrary to ideas of nature determining sense and experience [1] [2] [dead link ] [3] - the phenomenal world is a creative and logical structure of processes of semiosis where signs operate together to produce sense and experience.
Stimulation, in general, refers to how organisms perceive incoming stimuli. As such it is part of the stimulus-response mechanism. Simple organisms broadly react in three ways to stimulation: too little stimulation causes them to stagnate, too much to die from stress or inability to adapt, and a medium amount causes them to adapt and grow as they overcome it.
[4] [page needed] [5] [page needed] In general usage, the terms emotion and feelings are used as synonyms or interchangeable, but actually, they are not. The feeling is a conscious experience created after the physical sensation or emotional experience, whereas emotions are felt through emotional experience.
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The stimulus modality for vision is light; the human eye is able to access only a limited section of the electromagnetic spectrum, between 380 and 760 nanometres. [3] Specific inhibitory responses that take place in the visual cortex help create a visual focus on a specific point rather than the entire surrounding. [4]
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