Review Article
Reward Processing under Chronic Pain from the Perspective of “Liking” and “Wanting”: A Narrative Review
Table 1
Reward-related behaviors in patients with chronic pain.
| Study | Disorders | Test | Measurement | Results |
| Geha et al. [11] | Back pain | Rating sugary drinks | Liking | No change | Wanting | No change | Sweetness | No change | Intensity | No change | Rating fat puddings | Liking | Decrease | Wanting | No change | Sweetness | No change | Intensity | No change | Small and Apkarian [18] | Low back pain | Rating sucrose solution | Pleasantness | No change | Intensity | Increase | Marbach and Lund [21] | Facial pain and TMJ pain | PAS | Anhedonia | Increase | Marbach et al. [22] | Back pain or facial pain | PAS | Anhedonia | Uncorrelated to pain intensity | Elvemo et al. [25] | Various | BIS/BAS | Reward drive | No change | BDI | Anhedonia | Increase | BIS/BAS | RER | Decrease | Becerra-Garcia and Robles Jurado [24] | Fibromyalgia | SPSRQ | RER | Decrease | Claes et al. [28] | Fibromyalgia | Semistructured interview | Goal conflicts | Increase | Hardy et al. [32] | Fibromyalgia | Daily diary | Goal conflicts | Increase | Mun et al. [10] | Not mentioned | Daily diary | Goal conflicts | Increase |
|
|
Abbreviations: TMJ, temporomandibular joint; PAS, Physical Anhedonia Scale; BIS, Behavioral Inhibition Scale; BAS, Behavioral Activation Scale; BDI, Beck Depression Inventory; SPSRQ, Sensitivity to Punishment and Sensitivity to Reward Questionnaire; RER, reward-induced emotional responsiveness.
|