receptor
A stimulus is any event that evokes a specific response in an organism, while an impulse is a message carried by neurons in response to a stimulus. When a stimulus is detected by sensory receptors, it triggers an impulse that is transmitted through the nervous system to elicit a reaction or behavior.
a stimulus may be continous, an impulse ha a defined timeline
Yes, when a receptor detects a stimulus, it triggers an electrochemical impulse to be sent along a nerve cell. This impulse travels to the brain where it is interpreted as a specific sensation or perception.
light
Yes, a stimulus needs to reach a certain threshold level of strength in order to generate a nerve impulse. This threshold is required to depolarize the cell membrane and initiate the action potential. If the stimulus is not strong enough to reach this threshold, no nerve impulse will be generated.
The stimulus is your bodies reaction to something, say you burnt your hand, this is the stimulus. The reaction is your bodies response to it. In this sense the stimulus will be sensed by sensory neurones which pass an electrical impulse through relay neurons until the impulse gets to the Central Nervous System. This then, gives out another impulse which travels down a Motor Neuron to the muscle telling your hand to be removed from the surface.....
A sensory Neuron picks up the stimulus from the environment and changes it into a nerve impulse.
A sensory Neuron picks up the stimulus from the environment and changes it into a nerve impulse.
from the point of the impulse to the brain through neuronsAcetylcholine- a neurotransmitter released at the neuromuscular junction triggers a muscle action potential, which leads to muscle contraction2000+words. A+ Answer. 100% Correct.Download the complete answer from following web linkwww.tinyurl.com/stepuponstepEnjoy
Subliminal.
When a stimulus causes positively charged ions to diffuse into the neuron.
the impulse from the stimulus is processed in the spinal cord and gives the response immediately they protect you