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Encyclopedia > Stimulus (physiology)

In physiology, a stimulus is a detectable change in the internal or external environment. When a stimulus is applied to a sensory receptor, it elicits or influences a reflex via stimulus transduction. A stimulus is often the first component of a homeostatic control system. When a sensory nerve and a motor nerve communicate with each other, it is called a nerve stimulus. Image File history File links This is a lossless scalable vector image. ... This article or section does not cite any references or sources. ... In a sensory system, a sensory receptor is a structure that recognizes a stimulus in the internal or external environment of an organism. ... A reflex action is an automatic (involuntary) neuromuscular action elicited by a defined stimulus. ... In physiology, transduction is the conversion of a stimulus from one form to another. ... Homeostasis is the property of either an open system or a closed system,[1] especially a living organism, to regulate its internal environment to maintain a stable, constant condition. ...



In psychology, a stimulus is part of the stimulus-response relationship of behavioural learning theory.You can have a stimulus when you open the fridge or freezer. Psychological science redirects here. ... Behaviorism (also called learning perspective) is a philosophy of psychology based on the proposition that all things which organisms do — including acting, thinking and feeling—can and should be regarded as behaviors. ... In education and psychology, learning theories help us understand the process of learning. ...


See also

In Simple words w can define the stimulus as "A stimulus is a function which generates some action" Stimulation is the irritating action of various agents (stimuli) on muscles, nerves, or a sensory end organ, by which activity is evoked; especially, the nervous impulse produced by various agents on nerves, or a sensory end organ, by which the part connected with the nerve is thrown into a state...


  Results from FactBites:
 
Chapter 4 - Receptor Properties: Receptor Potentials and Coding (5208 words)
If a mechanical stimulus is applied to a mechanoreceptor, a generator potential is recorded such that the amplitude of the generator potential is a function of the amount of deformation of the receptor surface.
Stimulus C is applied at another place on the receptor at the same time as A in the second set of records.
Complementary to the principle of the adequate stimulus is a notion formulated by Johannes Müller.
Stimulus - Wikipedia, the free encyclopedia (165 words)
In physiology, a stimulus is something external that elicits or influences a physiological or psychological activity or response.
In other fields, a stimulus is anything that may have an impact on a system; for example, an economic stimulus.
In most contexts, a stimulus can be described as "stimulating", thereby causing "stimulation" or "over-stimulation".
  More results at FactBites »

 
 

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