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The electrical impulse travels into the dendrites, the "input" of the neuron, and into the soma or "body" where the signal gets processed. From there, the processed signal travels down the axon or "output" and into the dendrites of another neuron.

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Q: What is the path of an electrical impulse as it moves through a neuron?
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State the three main parts of a neuron and describe how an impulse travels through a neuron?

Okay, information is received through the dendrites, and then moves on the the cell body. From there, the cell's axon passes the message on to other neurons or to muscles or glands.


How neurone work?

Neurons carry messages by converting a chemical signal into an electrical one, and vice versa. The dendrites of the neuron receive "messages" from chemicals that were released by another neuron. These chemicals are called "neurotransmitters". The neurotransmitter stimulates the neuron to depolarize. This means that the neuron's cell membrane becomes more permeable to sodium, and sodium moves into the cell. This causes the electrical charge of the cell to change, because sodium is positively charged. When it moves into the cell, the inside of the cell (or neuron) becomes less negatively charged and more neutral. At the same time, the area outside the cell becomes more negatively charged because of the positive sodium ions leaving that space. This rapid change in electrical charge is called "depolarization" and is essentially an electrical impulse. If the electrical charge is drastic enough (i.e., it meets the "threshold potential" by changing by at least 15 to 20 millivolts) the electrical signal carries all the way down the neuron into the axon. In the axon, a myelin sheath, or fatty covering, covers the neuron and essentially acts as insulation so that the electrical impulse can travel more quickly. Once the impulse reaches the axon terminal, it signals neurotransmitters to be released from that neuron and be interpreted by another neuron. Hence, the process starts all over again. I apologize for this answer being so long, there really is no way to answer this question briefly.


What carries impulses from the skin to the central nervous system?

A pseudo-unipolar neuron referred to as an afferent neuron carries a sensory impulse to the spinal cord, which is part of the central nervous system.A pseudo-unipolar neuron has one axon which comes from the cell body (soma) and then splits into two branches, the peripheral axonal branch which carries the impulse from the skin, and the central axonal branch which carries the impulse to the spinal cord; it has no dendrites, which distinguishes it from a bipolar neuron.The impulse moves along the peripheral branch and then to the central branch, skipping the soma.


What is the order of impulse conduction thru reflex arc?

A reflex is an automatic response, that protects the organism from a harmful stimulus. The receptors detect a stimulus which generates a nerve impulse along the sensory neurone to the Central Nervous System (CNS). The CNS decides the appropiate response to the stimulus. The nerve impulse then travels across a synapse to the relay neurone, across another synapse to the motor neurone to the effector. This is normally a muscle or an organ which moves or responds to bring about a response appropiate to the stimulus.


Do neurons touch each other?

Not exactly; as an impulse moves from one neuron to another it crosses a small space between the neurons called a synapse. The neurons as said to 'not touch' because the cell MEMBRANES of the two neurons do NOT touch, nor merge, nor consequently is there any sharing of cytoplasm between the two neurons. The two neurons ARE, however, HELD TOGETHER at that synapse by small molecules called SYNAPTIC ADHESION MOLECULES, which protrude FROM each neuron into the synaptic cleft or gap and then stick to one another. In this sense, PARTS of neurons do 'touch' PARTS of other neurons, in a MECHANICAL or structural manner, but NOT in an electrical or signal sense. The neural SIGNAL passes through the synaptic cleft or gap via neurotransmitter chemicals which are released by one neuron, diffuse quickly through the gap, and then stimulate a signal in the receiving neuron.


What is the reaction of an organism to stimuli?

For an instant, unlearned response, it does it with its reflex arc, which is made of 5 elements- (i)a receptor- a sensory organ, like an eye, ear, tongue or touch corpuscle (ii)sensory neuron, (iii)a coordinator neuron, (iv) a motor neuron and (v)an effector which normally is a muscle-either involuntary smooth or voluntary striped muscle. A receptor receives the stimulus, a sensory neuron carries the impulse in the form of an electric impulse, a coordinator neuron takes the necessary suitable action, a motor neuron carries the decision to the effector and finally the effector brings out suitable response. Lower animals lack an organized nervous system, but still the mechanism is more or less similar.


How are hormones similar to neurotransmitters?

A neural impulse is similar to an electrical signal in three ways: 1. there are electrical voltages involved in the movement of the neural impulse; 2. an electrical signal can convey information, as can a neural impulse; 3. an electrical signal can cause an action, like a car starter switch starting the engine, and a neural impulse can cause a muscle to contract to move a limb. (note that with respect to the voltages involved in the neural impulse, the voltages are created by the movement of chemicals, charged particles called ions, somewhat similar to how batteries produce voltages.) (also note that the neural impulse is the signal which moves along the axon, as an action potential.)


What neuron moves the impulses to the brain?

The brain is the control, and the whole reaction of a reflex arc starts with a stimulus, ie, touching a hot flame, the detector of this stimulus being the receptor. The electrical impulses travel through the sensory neuron to which it is then carried to the synapse (impulses reach the brain) the energy is then transferred across the synapse, to the relay neuron and then to the motor neuron, finally reaching the effector, (mainly muscle or gland) to move away the body part.


What is affected by parkinson's disease?

i was diagnosed of parkinson disease 5 years ago,i started azilect,then mirapex as the disease progressed in february last year,and i started on parkinson disease herbal medicine from ultimate life clinic,few months into the treatment  i made a significant recovery,almost all my symptoms are gone,great improvement with my movement and balance,it been a year and life has been so good for me,reach them through there website at www .ultimatelifeclinic. com


When you touch something hot a neuron in your senses the temperature. which happens first?

an action potential moves along the neuron


When you touch something hot a neuron in your fingers senses the temperature which best decscribes the first reaction the neuron has?

Ions flow into the neuron. An action potential forms moves along the neuron. A response occurs, here, an aversion response... your body pulls your hand and finger away.


When you touch something hot, a neuron in your finger senses the temperature. Which happens first?

an action potential moves along the neuron