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Central Sensitization Inventory (CSI-R) Test

Take the online Central Sensitization Inventory (CSI-R) Test - AI psychologist FreudlyYou can take Central Sensitization Inventory (CSI-R) Test here. Online version of a simple and accurate psychological test with interpretation.en
With 25 questions completed in about five minutes, the Central Sensitization Inventory (CSI-R) Test offers a snapshot of symptom severity, including chronic pain and increased sensitivity to stimuli. Your result can support self-reflection and help you organize patterns to discuss when considering your wellbeing.
Questions: 255 minutes
Central Sensitization Inventory (CSI-R) Test: sample question card
October 2, 2025October 2, 2025Material has been updatedOctober 2, 2025Material has been published
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Daniel HallPsychologist · Test reviewer
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Scale Explorer

How the Scales are Structured

Central Sensitization ScaleCSS
Measures the severity of self-reported symptoms associated with central sensitization (heightened nervous system reactivity).
example score72/100
72/100Very Highexample score
0 – 49Low–Moderate
50 – 59High
60 – 100Very High
A score of 72 falls in the Very High range, indicating a pronounced level of symptoms commonly associated with central sensitization.
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DATA-BASED USER COHORTS

Who Usually Takes This Test?

People with chronic widespread pain
41%OF USERS
Those with long-lasting, body-wide pain (often with fatigue and sleep issues) use it to see whether an overactive nervous system may be amplifying symptoms.
Migraine and headache sufferers
34%OF USERS
People with frequent migraines or persistent headaches take it to check if heightened sensitivity to light, sound, or touch may be driving their pain pattern.
Unexplained sensitivity after injury
25%OF USERS
Those whose pain feels out of proportion or lingers after an injury or surgery use it to understand possible pain sensitization and guide next steps in care.
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
Benchmarking

See How You Compare

Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Shaded area — where most people score
Dot — the average
You — your score lands on each curve after the test— your score, after the test
Central Sensitization ScaleCSS
You?
Average69.6
Typical rangeTypical54.7 – 84.5
Possible0 – 100
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SAMPLE QUESTIONS

Example Questions From the Test

    • Never
    • Rarely
    • Sometimes
    • Often
    • Always
    • Never
    • Rarely
    • Sometimes
    • Often
    • Always
    • Never
    • Rarely
    • Sometimes
    • Often
    • Always
WHAT THE TEST MEASURES

Central Sensitization Inventory (CSI-R) Test - Description and methodology of the test

somatics

People who notice a broad mix of persistent pain, fatigue, sleep disruption, sensory sensitivity, or related bodily complaints may use the Central Sensitization Inventory (CSI-R) Test to organize that pattern. For someone exploring central sensitization symptoms, the result offers a severity-oriented snapshot of the reported severity and frequency of associated symptoms. It can help focus personal reflection and conversations about next steps.

What This Assessment Explores

The items cover physical, sensory, emotional, cognitive, sleep-related, and functional experiences in a broad symptom pattern. As a central sensitization questionnaire, it suits people examining recurring pain with fatigue, poor sleep, sensory triggers, or stress-related worsening.

The main groups are:

  • Pain and musculoskeletal sensitivity show widespread pain, stiffness, jaw, and muscle tension.
  • Energy, sleep, cognition, and sensory reactivity reflect fatigue, poor sleep, headaches, concentration, and light sensitivity.
  • Visceral, emotional, and functional experiences cover bowel or bladder symptoms, anxiety, low mood, stress-linked worsening, activity difficulty, and childhood trauma.

The Central Sensitization Scale spans 0-100 and assesses central-sensitization symptom severity, including chronic pain and increased sensitivity to stimuli. The scale supports clinical and research identification of chronic pain-syndrome risk. Severity is framed as subclinical, mild, moderate, severe, or critical; displayed bands are Low-Moderate 0-49, High 50-59, and Very High 60-100.

Methodology and Evidence Base

Each item asks how often an experience occurs, using Never, Rarely, Sometimes, Often, or Always; where shown, choices are numbered 1 through 5. The output condenses these responses into one 0-100 result, but the online format does not state the conversion rule, so no point contribution should be inferred from the range.

The online questionnaire is conceptually consistent with Esin et al.'s 2020 Russian CSI, but is not established as an identical validated translation or adaptation. Mayer et al. (2012) developed and psychometrically validated the original CSI; Neblett et al. (2017) examined clinically relevant severity levels. Adams and Turk (2015) situate central sensitivity syndromes within a psychosocial framework.

For a CSI-R assessment, the bands indicate reported symptom severity: lower bands reflect lower reported symptom severity, while higher bands reflect progressively greater severity; they do not establish a mechanism or disease or constitute a diagnosis. The online version does not provide local norms, reliability estimates, or independent standardization. Self-report scores can shift with current stress, sleep, health context, response bias, and self-awareness, so interpretation belongs alongside broader clinical and functional information.

Author: Dennis C. Turk, Michael A. Sullivan
Literature:
  • Esin O.R., Gorobets E.A., Khairullin I.Kh., Esin R.G., Gamirova R.G., Shamsutdinova R.F., Fedorenko A.I., Faskhutdinova A.T., Khakimova A.R. (2020). Central Sensitization Inventory - a Russian version. S.S. Korsakov Journal of Neurology and Psychiatry, 120(6), 51-56. 10.17116/jnevro202012006151.
  • Mayer T.G., Neblett R., Cohen H., Howard K.J., Choi Y.H., Williams M.J., Perez Y., Gatchel R.J. (2012). The Development and Psychometric Validation of the Central Sensitization Inventory. Pain Practice, 12(4), 276-285. 10.1111/j.1533-2500.2011.00493.x.
  • Neblett R., Hartzell M.M., Mayer T.G., Cohen H., Gatchel R.J. (2017). Establishing clinically relevant severity levels for the Central Sensitization Inventory. Pain Practice, 17(2), 166-175. 10.1111/papr.12440.
  • Adams L.M., Turk D.C. (2015). Psychosocial Factors and Central Sensitivity Syndromes. Current Rheumatology Reviews, 11(2), 96-108. 10.2174/1573397111666150619095330

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