Chronic pain - Theories & explanatory models

7 important questions on Chronic pain - Theories & explanatory models

Which three unidimensional models exist to explain pain?

1. Biomedical
2. Psychogenic
3. Learning model

What does the learning model from Fordyce state in relation to pain?

Pain is maintained through pain behaviours. Operant conditioning (positive (positief effect doordat iets wordt toegevoegd --> aandacht and negative reinforcement = positief effect doordat iets wordt weggenomen (pain relief)).

What does the Gate Control Theory of Melzack and Wall state?

De mate van pijn die iemand ervaart wordt beïnvloedt door het openen en sluiten van een denkbeeldige 'gate' onderaan de ruggengraat. Deze gate gaat open onder invloed van feedback van zenuwcellen in het lichaam waaronder de hersenen gerelateerd aan iemand cognities/gemoedstoestand.

bijv. Worry, anxiety, paying a lot of attention to the pain, pain avoidant behaviours & sluit in reactie op bijv. Helpende coping/cognities/ relaxatie.
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What does the biopsychosocial model state in relation to pain?

Dynamic and reciprocal interaction shape the experience of pain. Patient is an active agent of change.
Incorporates aspects from CBT
Cognitions


Emotions --> depression --> hopelessness --> avoidant behaviours --> mental and physical deconditioning

Anger --> activation of the autonomic nerves system & muscle tension --> increase in pain

Behaviours

In the biopsychosocial model, what is the influence of different emotions?

  • Depression --> hopelessness --> more negative cognitions --> isolation. Or the idea that you can cope with the disease
  • anxiety --> fear of re-injury --> avoidance behaviours
  • anger: could lead to increased tension in the body --> extra pain

In the biopsychosocial model, which cognitive factors influence the pain experience?

  • - attention
  • - about the meaning of pain
  • - Catastrophic thinking --> als je denkt dat pijn schade is door een progressieve ziekte dan vermijd je mogelijk veel activiteiten, waardoor er physical deconditioning plaatsvind en je nog meer beperkt wordt in je functioneren.
  • - expectencies about disease outcome
  • - self-efficacy

In the biopsychosocial model, what is the influence of three types of behavioural influences on pain?

  1. Operant conditioning:
    1. complaining --> increased attention --> positive reinforcement
    2. medication intake --> decreased pain --> negative reinforcement (taking more medication)
  2. Classical conditioning --> fear of pain (--> pain) in an increasing number of situations
    1. For instance a person gets an injury while running, and then fear of pain comes in place, whereby the unconditioned stimuli becomes a conditioned stimuli, where everyday walking is going to trigger pain.
  1. Social learning (modeling)
    1. For instance, your parents always got backpain after stress, then you as a child have an increased chance of also developing back pain in reaction to stress.

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