ipl-logo

Pathophysiology Of Pain

1375 Words6 Pages

The human body is subjected to pain every day, but the internal affects that pain causes is unknown to most. This is because Pain is rather hard to define as it's a subjective sensation, meaning it varies with each person. The International Association for the Study of Pain defines it as an "unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage" When people are subjected to pain, a large number of hormones and nerves affect different parts of the body, all sending signals to the brain where the pain is registered and then felt.
Pain is often classified by its pathophysiology into 2 major types: nociceptive and neuropathic. Potentially damaging stimuli such as pain …show more content…

This process, called nociception, is what causes the pain to be felt. Nociceptive pain involves the normal neural processing of pain that occurs when free nerve endings are activated by tissue damage or inflammation. Nociception involves the 4 processes of transduction, transmission, perception, and modulation. Transduction is the process where tissue damage releases chemical mediators that then activate nociceptors, possibly resulting in the generation of an action potential (an electrical impulse). In the second process the action potential moves from the site of injury along afferent nerve fibres to nociceptors at the spinal cord2. This process is known as transmission. The action potential is carried across the cleft dorsal horn of the spinal cord by released neurotransmitters, from where it ascends the spinothalamic tract to the thalamus and the midbrain. …show more content…

The difference between the speeds explains why when a person is first injured or subjected to pain, a sharp pain is felt, but then diffuses to a duller form of pain. This lag in time is attributable to the difference in the speeds of A delts and C fibres. This means that their messages, although sent at the same time, do not reach the brain at the same time. In other words, A delta fibred travel at the speed of a car, while C fibred carry them at the speed of a

Show More
Related

Factors Leading to Joseph's Dehydration: A Case Study

1022 Words | 5 Pages

The players were fatigued. 3. In the lesson, you learned how a nerve impulse transmits through a neuron and into muscle tissue. Using this knowledge, can you explain why dehydration caused Joseph's muscle cramping?

Read More

Pain In John Steinbeck's All Quiet On The Western Front

1110 Words | 5 Pages

One form of pain is physical pain by being inured. This type of pain was one of the most common, and caused many people to die in the war. Paul got hurt in the All Quiet on the Western Front and was forced to go to a hospital to get surgery. He saw many others with blown off hand and limbs and considered himself lucky that he still had all of his. If a soldier had a wound in the hand and it would take a lot of time and care to heal they would often just amputate part of the arm.

Read More

In Defense Of Mind-Body Dualism Analysis

286 Words | 2 Pages

She proves this by stating the fact that pain can be perceived without it being applied, as in you don’t need to experience the C-fiber stimuli to recognize the sensation of pain. “And it is the sensation itself, not the cause, which is most obviously a mental state.” (Gertler, 304). Gertler’s most obvious

Read More

Matthew Nagle

828 Words | 4 Pages

Spike of a single cell in motor cortex can provide information for hand velocity, position, forces, and goals. Higher information levels like upcoming plans for hand motion can be decoded from parietal and frontal neuron spiking. FPs are more complex than spikes. These reflect the flow of transmembrane current of synaptic origin, summed across groups of neurons of varying size and spatial

Read More

Rhetorical Analysis Paper

443 Words | 2 Pages

The Rhetorical Analysis Paper was a challenging paper to write for me, but I believe that it was only difficult because this is my first paper that I have ever written of this style. Despite this I think that I did a good job on this paper; I tried to follow the rubric as I wrote. I believe that I clearly articulated the two aspects of the advertisement that I focused on and how they worked together to convey the bigger picture; however, I did still have some concerns. My biggest concern initially was how to develop a good thesis for this genre of writing since I have never written on this topic before, but I believe I got that issue straightened out. Other issues were deciding how to introduce and conclude papers in this genre, but again by

Read More

Neuro Refractory Period

657 Words | 3 Pages

The refractory period, though very small, is divided into two parts, the absolute and relative periods. In the absolute refractory period, no action potentials can occur, no matter what the stimulation. In the relative refractory period, an action potential can happen if a stimulus stronger than the normal one occurs. When the Na+ channels refract, the K+ channels, open due to the depolarization, allow potassium to leave the cell. Because the inside of the cell has become more positive due to the influx of sodium, the outside is relatively more negative, attracting the potassium.

Read More

Sympathetic Nervous System Research Paper

1167 Words | 5 Pages

As you can see from the picture below (Figure 7), the cranial nerves (shown in blue) include the facial nerves, oculomotor nerve, vagus nerve, and glossopharyngeal nerve. There are also three spinal nerves in the sacrum which stimulate defection, urination and penile erection. These nerves are often referred to as pelvic splanchic nerves (located at T5 – T12). The parasympathetic system has ganglia in roots of cranial nerves and the neurotransmitter released by the postganglionic motor neurons is acetycholine. After the fire is put out and everyone is safe, acetylcholine works to bring the organs back to homeostasis.

Read More

Parasympathetic Ganglion Research Paper

631 Words | 3 Pages

A simple reflex arc contains three parts. The sensory input determines the sensory perception like pain, vision and central processor in the synapse of the spinal cord and the output through the motor neuron. The central processor mainly involves in the integration of nerve impulse. Example for somatic nervous

Read More

Pain Assessment Paper

885 Words | 4 Pages

Pain The interchange of emotions and feelings within one’s self is a particularly hard thing to measure. Pain is a combatant of positive and negative change. Pain is one of the most prevalent causes of human change, and is a provoker of human deterioration. Pain has always been a major factor in healthcare.

Read More

Somatic Pain Vs Visceral Pain

592 Words | 3 Pages

4) Compare and contrast somatic and visceral pain. (5 points) 5) Visceral Pain: Visceral pain is pain that is in the internal organs and heart muscle.6 However, not all viscera is sensitive to pain such as liver, lung, and kidney parenchyma.6, 8 This is most likely due to the fact visceral organs are innervated by receptors that do not reach consciousness.8 While this type of pain is poorly localized, visceral pain corresponds to a dermatomal pattern.6 Poor localization of visceral pain is thought to be a result of the few sensory afferent compared to somatic.8 This pain is also associated with an autonomic nervous system response which could result in a change of vital signs, unexplained sweating and skin pallor.6 Somatic Pain:

Read More

Hot Burner Case Study

856 Words | 4 Pages

Leading the afferent neurons to enter the dorsal nerve root of the spinal cord, the stimulus is passed onto the efferent neuron to reach the efferent pathway to reach the effector organ in Rachel’s case it’s the muscles in the arm leading to hand instantly being pulled back. The brain is not involved in the reflex actions as it will take more time for the impulses to travel to and from the brain. The afferent neurons taking the causal stimulus to the CNS,the spinal cord, the efferent neurons, the exciter neurons and the action performed in response to the stimulus altogether create the reflex arc.(YouTube,

Read More

Specificity Theory And Pattern Theory For The Perception Of Pain

203 Words | 1 Pages

The gate control theory has been a milestone in the field of pain research. It offered substantial help in ending a century-old debate between specificity theory and pattern theory for the perception of pain. Specificity theory believes that there exist specific pain receptors that transmit distinct signals to the brain while pattern theory holds that afferent fibers respond to a host of stimulus modalities, and that the ultimate perception depends on the brain’s deciphering and interpretation of the patterns of activity across the different nerve fibers. The gate Control theory attempted to incorporate both schools of thought within its analogy. By stating that there are distinctive fibres for different signal transmission, it echoed the

Read More

Chronic Pain Research Paper

600 Words | 3 Pages

In an injury, the sensory receptors called nociceptors in the body are activated which carry the signal to the A-delta fiber and C fiber for reaction (Rodway, Huether & Belden 2017). Change in the peripheral and central nervous system dysregulate the nociceptors that lead to chronic pain. Finally, referral pain is transmitted by C fiber that is from an internal organ or lining of the body cavities (Rodway, Huether & Belden 2017). Acute pain is sudden trauma to the skin or body organs, which most often is relief by a chemical mediator; chronic pain is persistent and long lasting, does not change the vitals of the body. On like acute pain where there is a sudden increase in blood pressure and heart rate that sometimes can be used to determine the degree of the pain.

Read More

Arguments Against Identity Theory

761 Words | 4 Pages

For example, using a posteriori, the mental type pain is the physical brain type of the firing of c-fibers (86). However, sometimes a type of mental experience seems to occur without the expected brain type state occurring (87). Mental types are multiply realizable by physical types (87). There are times when the mental type pain is felt without the firing of the physical type c-fibers. For example, an octopus that has a very different type of neurological system than humans, most of their thinking seems to be done with neurons in their tentacles rather than their brains, and despite this difference, it is shows signs of experiencing the mental type pain (89).

Read More

Chronic Pain

992 Words | 4 Pages

They are automatic unconscious responses that take place through biophysiological processes and mechanisms. Anatomical, physiological and biochemical mechanisms and processes work together in a complex way to detect damage or potential damage to tissue at a cellular level, sending a message from the peripheral nervous system to the central nervous system which interprets the pain experience and body location. These mechanisms and processes also respond with appropriate control to take action, not only at the site of injury, but also systemically, using other systems, processes and mechanisms of the body, besides just the nervous

Read More

More about Pathophysiology Of Pain

Related Topics

Open Document