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.
Increasing the stimulus intensity past the threshold level for a neuron will not further increase the action potential generated. Once the threshold is reached, the neuron will fire an action potential at its maximum intensity.
A neuron conveys information about the strength of stimuli by varying the rate in which the stimulus is fired.
A sensory Neuron picks up the stimulus from the environment and changes it into a nerve impulse.
Sensory 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.
During the absolute refractory period, the neuron is incapable of generating another action potential regardless of the stimulus intensity, as the voltage-gated sodium channels are inactivated. Once these channels have reset during the relative refractory period, a strong enough stimulus can trigger an action potential again.
Please see:What_happens_at_the_level_of_the_neuron_starting_with_stimulus_and_ending_with_a_response
An interaction with the world.
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.
Number of times the neuron fires
the neuron pathway