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When a neuron receives a stimulus that is very strong?
When a neuron receives a very strong stimulus, it may reach its threshold potential and fire an action potential. This can lead to the release of neurotransmitters, sending a signal to other neurons. The strength of the stimulus can affect the frequency of action potentials generated by the neuron.
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.
What statements follow from the "all or none" law in relation to neuronal firing?
The "all or none" law states that a neuron will either fire at full strength or not at all in response to a stimulus. This means that once a neuron reaches its threshold for firing, it will generate an action potential of consistent strength. If the stimulus is below the threshold, the neuron will not fire. This law helps to ensure the reliability and efficiency of communication within the nervous system.
What neuron picks up a stimulus?
A sensory Neuron picks up the stimulus from the environment and changes it into a nerve impulse.
What does the all-or-none law indicate about the behavior of neurons?
The all-or-none law states that a neuron either fires at full strength or does not fire at all in response to a stimulus. This indicates that neurons have a threshold for activation and once that threshold is reached, they will fire with a consistent intensity.
Which neurons decide about the action for a certain stimulus?
Sensory neuron
What is the stimulus-response pathway involving a sensory neuron and a motor neuron?
Please see:What_happens_at_the_level_of_the_neuron_starting_with_stimulus_and_ending_with_a_response
During the absolute refractory period along an axon membrane of a neuron?
During the absolute refractory period, the neuron is unable to generate another action potential, regardless of the stimulus strength. This is because sodium channels are inactive and unable to open. This period ensures that action potentials are discrete and travel in one direction along the axon.
What makes a neuron receive a stimulus?
An interaction with the world.
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.
Is the action potential an all-or-nothing response in neurons?
Yes, the action potential is an all-or-nothing response in neurons, meaning that once a certain threshold is reached, the neuron will fire at full strength regardless of the strength of the stimulus.
The strong stimulus can increase the?
Number of times the neuron fires
