Pain
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: All participants will be between 18 and 75 years of age, capable of speaking and reading Dutch, and have pain in either their back, or their hand, for more than three months or when the pain lasts longer than is expected on basis of the tissue damage. Or hand pain that is acute (since two days) and directly related to tissue damage. Control participants will be healthy and pain-free as determined by self-report.
Exclusion criteria
Exclusion criteria: Participants will be excluded when they have a severe neurological or psychiatric condition, known cognitive disorders, a cardiac pacemakers, Diabetes, unless on a stable dose current use of sedative psychotropic drugs such as benzodiazepines, barbiturates, tricyclic antidepressants, anticonvulsants sedatives, and classical antihistaminics, acute or chronic pain in other areas than the target area (hand or back), bilateral hand pain, serious injury to both hands, or current participation in another research protocol.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Eye movement behaviour such as saccade accuracy and saccade latency (as a measure of attentional pulling capacity) towards or away from visual targets that have become associated with the pain stimulus, reaction time to these visual stimuli and the speed of learning (and unlearning) are the main parameters. | — |
Secondary
| Measure | Time frame |
|---|---|
| does not apply | — |
Countries
Netherlands