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A simple reflex travels in this order:

  1. Stimulus
A stimulus (stimuli, plural) is an outside happening that affects the body (i.e., sound, sight, taste, pain).

2. Sensory Reception

This is when the body senses the stimulus through receptors located all over the body. Some receptors are clustered to form our major sensory organs (i.e., taste buds on tongue).

3. Central Nervous System

Sensory neurons transmit the signal to the CNS (brain and spinal cord) through peripheral nerves that connect from the body's extremities to the CNS.

If this simple reflex is part of a simple reflex arc (a stimulus that produces some reflexive response), the brain then sends instructions through a motor neuron to an effector (usually a muscle or gland). This prompts either muscle movement or chemical action.

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What is the neural pathway of a single reflex called?

The neural pathway of a single reflex is called a reflex arc. It involves the sensory neuron carrying information from the receptor to the spinal cord, where it synapses with a motor neuron that carries the response signal to the effector muscle or organ. This simple pathway allows for rapid, involuntary responses to stimuli.


Do stretch reflex have interneuron?

Yes, the stretch reflex involves a simple monosynaptic pathway between sensory neurons and motor neurons without the involvement of interneurons in the spinal cord.


The simplest pathway of an inpulse is what?

A simple reflex arc that only involves two neurons; these are usually found in the digestive system.


What is the most simple nervous system pathway?

The most simple nervous system pathway is the monosynaptic reflex arc. It involves only two neurons: a sensory neuron that detects a stimulus and a motor neuron that responds to the stimulus by causing a muscle to contract. This pathway allows for rapid and automatic responses to stimuli, such as when you touch something hot and quickly pull your hand away.


What is the arc refers to simple nerve pathway that would be involved with invoulntary actions?

The reflex arc is a simple nerve pathway involved in involuntary actions, such as pulling your hand away from a hot stove. It includes a sensory neuron, interneuron, and motor neuron that together allow for a rapid and automatic response to a stimulus without needing input from the brain.


Differences btn simple reflex and conditioned reflex action?

A simple reflex action is an automatic, involuntary response to a stimulus that involves a direct pathway through the spinal cord, such as the knee-jerk reflex. In contrast, a conditioned reflex action is a learned response that occurs when a neutral stimulus becomes associated with an unconditioned stimulus, as seen in Pavlov's experiments with dogs. While simple reflexes are innate and require no prior learning, conditioned reflexes depend on experience and can be modified over time.


How does the four major elements of a simple nervous pathway function during pain withdrawal reflex?

During a pain withdrawal reflex impulses are sent through different nerves and to the spinal cord. This reflex does not make it to the brain but only to the spinal cord. We call this involuntary action because we dont control reflexes. The sensory neurons are the first to recieve the impulse, then they travel to the interneurons, or associative neurons, and then they go to the motor neurons which carries the impulse to the central nervous system. Then the effector is the response, so in this case your musscle will contract.


What is the Difference between simple reflex and complex reflex?

A simple reflex involves a direct pathway that includes only a sensory neuron and a motor neuron, resulting in an immediate, involuntary response to a stimulus, such as the knee-jerk reflex. In contrast, a complex reflex involves multiple neurons and often includes interneurons, allowing for more intricate processing and integration of information, which can lead to a more coordinated response, such as withdrawal from pain. Simple reflexes are typically faster and more straightforward, while complex reflexes can involve higher brain functions and emotional responses.


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