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Pain disorder

Pain disorder is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Pain disorder rather than just read about it. In short: Pain disorder is chronic pain experienced by a patient in one or more areas and is thought to be caused by psychological stress. The pain is often so severe that it disables the patient from proper functioning.

Key takeaways

  • Pain disorder belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Pain disorder to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Pain disorder from memory before moving on to harder problems.

Reference excerpt

Pain disorder is chronic pain experienced by a patient in one or more areas and is thought to be caused by psychological stress. The pain is often so severe that it disables the patient from proper functioning. Duration may be as short as a few days or as long as many years. The disorder may begin at any age and occurs more frequently in girls than boys. This disorder often occurs after an accident, during an illness that has caused pain, or after withdrawing from use during drug addiction, which then takes on a 'life' of its own.

Signs and symptoms Common side effects or comorbidities of pain disorder include depression, anxiety, inactivity, disability, sleep disturbance, fatigue, and disruption of social relationships. Pain conditions are generally considered "acute" if they last less than six months and "chronic" if they last six or more months. The neurological or physiological basis for chronic pain disorders is currently unknown; they are not explained by, for example, clinically obtainable evidence of disease or of damage to the painful areas. In many cases, pain levels can vary depending on circumstances and can often be moderated to some extent by activity and mood. For example, pain symptoms may become more intense when focused on and less intense when the person is engaged in enjoyable activities. The same can be said about excessive worry. A minor physical symptom can be aggravated or become more harmful and threatening if the affected person engages in a constant body and symptom appraisal, which can lead to stress and maladaptive behavior when coping with the physical symptom.

Cause

There are several theories regarding the causes of pain disorder.

Psychodynamic theory: unconscious conflicts or desires are converted into somatic symptoms to protect the person from conscious awareness of it. Emotions and communication: Children show distress in what may be the only way they can, as well as physical symptoms when they lack the ability to speak or express their thoughts. Social influences: where psychological disorders are frowned upon, whether in families or cultures, distress may be expressed in physical terms. Learning theory: children learn to imitate a family member or pick up on possible gains of being "sick". Family systems theory: a child's role in a family may be the sick one as part of the family dynamics. Reasons why fall under four possibilities: enmeshment, overprotection, rigidity or lack of conflict resolution. Trauma and abuse: this includes physical, psychological, or both combined with somatization. It is a common combination. People who have a history of physical or sexual abuse are more likely to have this disorder. However, not every person with pain disorder has a history of abuse. Early intervention when pain first occurs or begins to become chronic offers the best opportunity for the prevention of pain disorder.

Diagnosis The DSM-IV-TR specifies three coded subdiagnoses: pain disorder associated with psychological factors, pain disorder associated with both psychological factors and a general medical condition and pain disorder associated with a general medical condition (although the latter subtype is not considered a mental disorder and is coded separately within the DSM-IV-TR). Conditions such as dyspareunia, somatization disorder, conversion disorder, or mood disorders can eliminate pain disorder as a diagnosis. Diagnosis depends on the ability of physicians to explain the symptoms and on psychological influences. There are, however, authors who propose that the diagnosis for unexplained pain should be adjustment disorder because it does not pathologize individuals with this medical condition. This is proposed to avoid the stigma of such illness classification.

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with Pain disorder

Start with the simplest possible case. Write down what Pain disorder claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Pain disorder before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Pain disorder ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Pain disorder

In research
Pain disorder appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Pain disorder in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Pain disorder is common in secondary-school and first-year university syllabi. It links to neighbouring topics Human diseases and disorders, Somatic symptom disorders, so understanding it makes those chapters shorter.
In everyday life
Look for Pain disorder outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Pain disorder in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Pain disorder means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Pain disorder out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Pain disorder in simple terms?

Pain disorder is chronic pain experienced by a patient in one or more areas and is thought to be caused by psychological stress. The pain is often so severe that it disables the patient from proper functioning.

Why does Pain disorder matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Pain disorder?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Pain disorder.

Tags

  • Human diseases and disorders
  • Somatic symptom disorders

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