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The autonomic nervous system is in charge of involuntary functions. There are two divisions-the sympathetic and parasympathetic. The sympathetic nervous system initiates the fight-or-flight response in emergency situations. The parasympathetic nervous system is referred to as the "rest and digest" stage in which the body "slows down" after the fight-or-flight response.
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True or false a stimulus is anything that causes an organism to respond?
Yes stimulus is anything that can cause an organism to respond. If our nerve cells are damaged it is possible that we may not respond to the stimulus. Study of nervous system is very important to understand this phenomenon.
Does the autonomic nervous system may cause activation or inhibitiom depending on the division that is active and the target that is affected?
Yes, the autonomic nervous system can cause either activation or inhibition depending on whether the sympathetic division or parasympathetic division is active, and which target organ is being affected. The sympathetic division generally activates the fight-or-flight response while the parasympathetic division promotes rest and relaxation.
What change in an organism's surroundings that will cause the organism to react is called a?
Stimuli are things in the environment that cause change. A reaction to a change in the environment is a reaction to a stimulus.
What process allows a second stimulus to cause the same response as the originally conditioned stimulus?
The process that allows a second stimulus to cause the same response as the originally conditioned stimulus is called stimulus generalization. This occurs when similar stimuli to the conditioned stimulus also trigger the conditioned response.
What does a threshold stimulus cause?
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Is the action that causes a response?
Yes, an action is typically the stimulus that triggers a response in a system or organism. In the context of cause and effect, the action is what instigates the reaction or outcome.
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 process allows a second stimulus to cause the same response as the originality conditioned stimulus?
generalization.
Are stimulus and response the same thing?
No, stimulus is the cause and response is the effect. In feeding an animal, giving it food is the stimulus and it eating the food is the response.
What is anything in a organism's environment that cause it to react?
stimulus
What change in the surroundings cause an organism to react?
stimulus
The minimum stimulus needed to cause a contraction is called the?
The minimum stimulus needed to cause a contraction is called the threshold stimulus. This is the minimal level of stimulation required to activate muscle fibers and initiate a contraction response.
