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The area of a neuron that detects a stimulus is primarily the dendrites, which are the branching extensions of the neuron. Dendrites receive signals from other neurons or sensory receptors and transmit these signals toward the cell body. In sensory neurons, specific receptors located on the dendrites are specialized to detect stimuli such as light, sound, or touch. This initial detection is crucial for initiating the neuronal response to various environmental signals.
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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.
What neuron picks up a stimulus?
A sensory Neuron picks up the stimulus from the environment and changes it into a nerve impulse.
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
Stimulus threshold of the neuron refers to what?
The stimulus threshold of a neuron, often referred to as the action potential threshold, is the minimum level of stimulation required to trigger an electrical impulse (action potential) in the neuron. When a stimulus exceeds this threshold, it causes sufficient depolarization of the neuron's membrane, leading to the rapid influx of sodium ions and the subsequent propagation of the action potential along the axon. If the stimulus is below this threshold, the neuron remains inactive, and no action potential is generated.
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.
What makes a neuron receive a stimulus?
An interaction with the world.
Can reflex action happens if the sensory neuron is cut but the motor neuron is not cut?
No, reflex action cannot occur if the sensory neuron is cut, even if the motor neuron remains intact. Reflex actions rely on the sensory neuron to detect a stimulus and transmit that information to the spinal cord, where it is processed and relayed to the motor neuron to initiate a response. If the sensory neuron is damaged, the signal cannot reach the spinal cord, preventing the reflex arc from completing.
What is a Specialized area of sensory neuron that detects a specific stimulus?
A specialized area of sensory neuron that detects a specific stimulus is called a sensory receptor. These receptors are designed to respond to specific forms of stimulation, such as touch, light, or sound, and convert the energy from these stimuli into electrical signals that the nervous system can interpret.
The strong stimulus can increase the?
Number of times the neuron fires
What is the pathway a stimulus followed to produce a response?
the neuron pathway
When a stimulus acts on a neuron it decreases the permeability of the stimulated point of its membrane to sodium ions?
False( When a stimulus acts on a neuron, it increases the permeability of the stimulated point of its membrane to sodium ions. )
