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How does the timing of stimulus presentations affect the strength of the conditioned response?
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∙ 10y ago
The timing of stimulus presentations can affect the strength of the conditioned response through processes like temporal contiguity and temporal specificity. Pairing the conditioned stimulus and unconditioned stimulus close together in time (temporal contiguity) tends to result in stronger conditioning. Additionally, presenting the conditioned stimulus just before the unconditioned stimulus (temporal specificity) can enhance the strength of the conditioned response.
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The classical conditioning continguency only refers to the timing of the cs and the ucs?
Classical conditioning contingency refers to the degree of association between the conditioned stimulus (CS) and the unconditioned stimulus (UCS). It includes the relationship between the timing, predictability, and frequency of the CS and UCS presentations. This relationship influences the strength and effectiveness of the conditioned response.
What are the variables affecting classical conditioning?
The key variables affecting classical conditioning include the timing of the conditioned and unconditioned stimuli, the strength of the stimuli, the predictability of the association between the stimuli, and the intensity of the response to the unconditioned stimulus. These variables can influence the effectiveness and rate of learning in classical conditioning.
What are the four characteristics of a stimulus in stimulus coding?
The characteristics are modality (type of stimulus), intensity (strength of stimulus), duration (length of stimulus), and location (where the stimulus occurred).
An action potential either fires completely or not at all. this is know as?
"all-or-none principle." In this principle, once the threshold for firing an action potential is reached, it will occur at full strength regardless of the strength of the stimulus that triggered it.
What is the difference between an absolute threshold and a decision threshold?
The absolute threshold refers to the minimum level of stimulation needed for a sensory system to detect a stimulus. The decision threshold is the point at which a person decides whether a stimulus is present or absent based on the strength of the stimulus compared to a set criterion.
The classical conditioning continguency only refers to the timing of the cs and the ucs?
Classical conditioning contingency refers to the degree of association between the conditioned stimulus (CS) and the unconditioned stimulus (UCS). It includes the relationship between the timing, predictability, and frequency of the CS and UCS presentations. This relationship influences the strength and effectiveness of the conditioned response.
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
What factor influences the strength of the response in the receiving cell?
it would be the strenght of the stimulus
What are the variables affecting classical conditioning?
The key variables affecting classical conditioning include the timing of the conditioned and unconditioned stimuli, the strength of the stimuli, the predictability of the association between the stimuli, and the intensity of the response to the unconditioned stimulus. These variables can influence the effectiveness and rate of learning in classical conditioning.
What is a graded muscle response?
It is the variation of stimulation needed in skeletal muscle contraction in order to have controlled movement.
How does a neuron indicate the strength of a stimulus?
A neuron conveys information about the strength of stimuli by varying the rate in which the stimulus is fired.
How can you tell if bumps on the oscilloscope trace are due to the stimulus artifact or are part of a compound action potential?
The stimulus artifact is biphasic and roughly symmetrical. If you reverse the polarity of the stimulus you will see no or little change in the stimulus artifact but should see a decrease or absence of the neural response. The rate of change in a stimulus artifact is generally an order of magnitude faster than most neural responses so that filtering will disproportionally affect it. Always set your stimulus to lowest strength needed to elicit a response before reversing polarity. If you are on the wrong polarity this has the risk of killing your preparation.
What are the four characteristics of a stimulus in stimulus coding?
The characteristics are modality (type of stimulus), intensity (strength of stimulus), duration (length of stimulus), and location (where the stimulus occurred).
What is the difference between stimulus frequency and stimulus strength?
<P> <P>The stimulus frequency is how often the stimulus is admitted. For example, every 30 seconds, every minute and 1/2, etc. <P>Stimulus strength describes the level of force used to administer the stimulus such as mild, moderate or maximum.</P>
An action potential either fires completely or not at all. this is know as?
"all-or-none principle." In this principle, once the threshold for firing an action potential is reached, it will occur at full strength regardless of the strength of the stimulus that triggered it.
The all or none principle states that?
The all-or-none principle in physiology states that once a nerve impulse reaches a certain threshold, a neuron will fire at its maximum potential. If the stimulus is strong enough to trigger an action potential, the response will occur at full strength. If the stimulus is below the threshold, no response will be triggered.
What is meant by an all or nothing response?
It means to respond or reply by saying one wants all one's demands met - or nothing. In other words it means that one refuses to negotiate or compromise or do a deal.
