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A good example of the sensory/muscular connection is when you touch something hot, you quickly withdraw. The reason for this is that there are two parts to the nervous system, the CNS or central nervous system (brain and spinal cord), like the CPU of a computer and the PNS or peripheral nervous system (consisting of the nerves that link the body parts to the CNS) such as apps or software that has to communicate with the computer (CNS). This communication occurs via electrochemical pulses. The PNS is further divided into the somatic nervous system and the autonomic nervous system. SNS is voluntary, ANS is not. The ANS is then further divided into the parasympathetic and sympathetic (fight ot flight) systems. Our brains are prewired so that only certain parts respond to certain stimuli (sensory units). The skin has sensory receptors contained within, these receptors communicate along sensory pathways to the cerebral cortex of the brain where the stimuli is processed and you take your hand away from the hot surface (muscle response).
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What happens at the level of the neuron starting with stimulus and ending with a response?
The stimulus is detected by the sensory receptor. The sensory receptor stimulates a sensory neuron. The sensory neuron transmits to the interneuron in the spinal cord. The interneuron stimulates a motor neuron. The motor neuron communicates to the muscle. The muscle(effector) then produces the response allowing the body to respond to the stimulus.
What the reaction to a stimulus by a muscle gland?
A Response
What is the relationship between amplitude of muscle response and voltage of stimulus applied?
The relationship between the amplitude of muscle response and the voltage of the stimulus is generally linear. As the voltage of the stimulus increases, the muscle response increases in amplitude up to a certain point. Beyond that point, further increases in voltage may not significantly increase the muscle response amplitude or could lead to muscle fatigue or damage.
What is the all none law of muscle response?
all-or-none law is the principle that the strength by which a nerve or muscle fiber responds to a stimulus is not dependent on the strength of the stimulus. If the stimulus is any strength above threshold, the nerve or muscle fiber will give a complete response or otherwise no response at all
How does the threshold stimulus influence muscle contraction?
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.
What is the premotor phase of reaction time?
The time it takes from recognizing a stimulus to the initiation of a muscle response (the muscle response can be recorded using an EMG).
What is a graded muscle response?
It is the variation of stimulation needed in skeletal muscle contraction in order to have controlled movement.
What is the reaction to a stimulus by a muscle or gland called?
A stimulus can be internal or external. An example of an internal stimulus is feeling hunger or feeling the need to urinate. An example of an external stimulus is hearing a loud noise or touching a hot object.A response is what you to voluntarily or involuntarily in response. Your response to hunger is to eat. Your response to touching a hot object is to jerk you hand away reflexively.
What is the relationship between a stimulus and a reponse?
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.....
What is the path a nerve impulse travels throughout your body from stimulus to response-?
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
The routes nerve impulses from your senses?
Thalamus
What is the order of impulse conduction thru reflex arc?
A reflex is an automatic response, that protects the organism from a harmful stimulus. The receptors detect a stimulus which generates a nerve impulse along the sensory neurone to the Central Nervous System (CNS). The CNS decides the appropiate response to the stimulus. The nerve impulse then travels across a synapse to the relay neurone, across another synapse to the motor neurone to the effector. This is normally a muscle or an organ which moves or responds to bring about a response appropiate to the stimulus.
