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What is the Difference between a weak stimulus and intense stimulus?

The FREQUENCY of action potentials that are conducted into the central nervous system serves as the code for the strength of the stimulus. This frequency code is needed because the amplitude of action potentials is constatnt (all or none). Acting through changes in action potential frequency, tonic receptors thus provide information about the relative intensity of a stimulus.


What is the difference between an independent variable and a dependent variable in an expeirement?

In an experiment the independent is the stimulus, the thing controlled or applied by the experimenter. The dependent variable is the response, the reaction to the independent variable.


What is the different between an external stimulus and an internal stimulus?

The difference between an external stimulus and an internal stimulus is that an external stimulus is a stimulus that comes from outside an organism. But an internal stumulus is a stimulus that comes from inside an organism. An example for an external stimulus can be that when you are cold, you put on a jacket. An example for an internal stimulus is that when you feel hungry, you eat food.


In positive feedback the initial stimulus produces a response that the stimulus?

exagerrates the stimulus


What is a change in an organism's surrounding that causes the organism to react?

The answer to this would mose probabaly be a stimulus. Because there are 2 types of stimuli Internal Stimulus and External Stimulus and so it has to be either one of these but the answer is stimulus.

Related Questions

What principle states that the properties of the action potential are independent of the relative strength of the depolarizing stimulus?

The all-or-none principle states that the properties of an action potential, such as amplitude and duration, are independent of the intensity of the stimulus that triggers it. This means that once a threshold stimulus is reached, the action potential will fire at maximal strength regardless of the strength of the initial stimulus.


Does a large stimulus produce a higher amplitude in a action poteintial?

No, the amplitude of an action potential is constant and does not vary with the strength of the stimulus. Instead, the frequency of action potentials fired by a neuron can increase with a stronger stimulus.


Will graded potential increase amplitude as they move away from the stimulus point?

No, graded potentials do not increase in amplitude as they move away from the stimulus point. They dissipate as they travel along the neuron membrane due to leak channels and distance from the original stimulus.


What factors determine the amplitude of axon potential in neurons?

The factors that determine the amplitude of axon potential in neurons include the strength of the stimulus, the size of the axon, and the presence of myelin sheath.


Identify which of the stimulus modalities induced the largest amplitude receptor potential in the pacinian corpscle?

extreme pressure


Do graded potentials increase amplitude as they move away from the stimulus?

No, graded potentials do not increase in amplitude as they move away from the stimulus. The amplitude of graded potentials will decrease with distance from the stimulus site due to the loss of charge.


How is the brain informed that a receptor is adapting to a stimulus?

When a receptor adapts to a stimulus, it sends progressively reduced signals to the brain. The brain interprets this decrease in signals as adaptation, resulting in reduced sensitivity to that specific stimulus over time.


Why is the amplitude of the compound action potential recorded from the frog sciatic nerve increased when the voltage of the stimulus was increased above the threshold value?

Increasing the stimulus voltage above the threshold value results in recruiting more nerve fibers to generate action potentials. This leads to a greater number of action potentials being generated simultaneously along the nerve, resulting in a larger compound action potential amplitude being recorded.


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 Difference between a weak stimulus and intense stimulus?

The FREQUENCY of action potentials that are conducted into the central nervous system serves as the code for the strength of the stimulus. This frequency code is needed because the amplitude of action potentials is constatnt (all or none). Acting through changes in action potential frequency, tonic receptors thus provide information about the relative intensity of a stimulus.


What process describes the conversion of an external stimulus to an internal action potential?

The process is known as sensory transduction. It involves converting an external stimulus, such as light or sound, into an electrical signal (action potential) in sensory neurons. This electrical signal is then transmitted to the brain for further processing and interpretation.


What stimulus below this intensity will result in no response in a neuron?

Any stimulus below the neuron's threshold potential will not result in a response, as it is not strong enough to generate an action potential. Neurons require a minimum level of stimulus intensity to reach the threshold potential and fire an action potential.