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exagerrates the stimulus
The maximal stimulus is the strongest stimulus that produces increased muscle contractile force.
Stressor
Neutral stimulus is a stimulus which initially produces no specific response other than focusing attention. In classical conditioning
positive feedback mechanism.
The process of changing physical stimulus to neural stimulus is called transduction. This process involves converting sensory information from the environment into electrical signals that can be interpreted by the brain.
Exaggerating the stimulus is also seen as amplifying the stimulus. This is seen in outer ear hair cells.The mechanism you refer to is probably a positive feedback mechanism: more of the stimulus causes more of the stimulus. This is in contrast to a negative feedback mechanism, whereby more stimulus results in processes that strive to attenuate (lessen) that stimulus.
The threshold stimulus is the stimulus required to create an action potential. So any stimulus under this level will not cause muscle contraction, while a stimulus above this level will cause the muscle to contract. The higher the stimulus the more muscle fibers are recruited, and thus the higher the response.
This is known as classical conditioning, a type of learning where a neutral stimulus becomes associated with an unconditioned stimulus to elicit a response. The neutral stimulus eventually becomes a conditioned stimulus that triggers the same response.
The muscles in the heart respond to an electrical stimulus to contract (beat). If there were no nerve tissue, the heart would not beat and a person would cease (or fail) to exist. Failure of the nerve stimuli, if nerve tissue is there (but for whatever reason there is a malfunction of the signal getting to where it needs to be), results in a condition called "Heart Block" and that can necessitate the implantation of a Pacemaker to produce the missing electrical stimulus constantly or intermittently as needed.
When a stimulus causes positively charged ions to diffuse into the neuron.
A stimulus is a change in the environment that triggers a response in an organism. When an organism receives a stimulus, it processes the information and produces a reaction, which is a specific behavioral or physiological change to cope with the stimulus. This process allows organisms to adapt and survive in their environment.