Effectiveness of attention bias modification and Trance cranial direct current stimulation on reduction of pain and attention bias.

Comparison of the effectiveness of attention bias modification (ABM) with/without Trance cranial direct current stimulation (TDCS) on reduction of attention bias and severity of perceived pain in chronic low back pain patients.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20171107037306N1

Enrollment

Registered

2017-12-17

Start date

2017-12-21

Completion date

Unknown

Last updated

2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

chronic low back pain. Pain disorders related to psychological factors.

Interventions

Intervention 1: The second experimental group receive the attention bias modification task combined with trance cranial direct current stimulation through 5 sessions of 20 minutes. Intervention 2: pl

Rehabilitation

Placebo

The second experimental group receive the attention bias modification task combined with trance cranial direct current stimulation through 5 sessions of 20 minutes.

placebo group receive sham Trance cranial direct current stimulation.(TDCS)

One of the experimental groups receives attention bias modification task by computer through 5 sessions of 20 minutes .

control group answer the questionnaire and dont receive any intervention.

Eligibility

Sex/Gender

All

Age

20 Years to 50 Years

Inclusion criteria

Inclusion criteria: Age between 20 and 50 years. ability for writing and reading. low back pain more than 3 months.

Exclusion criteria

Exclusion criteria: Substance and addictive disorder. Psychiatric disorder( psychosis or bipolar disorder). Migraine or recurrent headaches. Brain injury.

Design outcomes

Primary

Measure	Time frame
Severity of perceived pain. Timepoint: Before intervention,one week after intervention,one month after intervention. Method of measurement: Visual analog scale- questionnaire of severity of chronic pain questinnaire.;Attention bais. Timepoint: Before intervention,one week after intervention,one month after intervention. Method of measurement: Dot probe test.	—

Secondary

Measure	Time frame
Depression. Timepoint: Before intervention,one week after intervention,one month after intervention. Method of measurement: DASS questionnaire.;Disability due to pain. Timepoint: Before intervention,one week after intervention,one month after intervention. Method of measurement: Roland & Moris disability questionnaire.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactShima Shakiba

Rofeideh Rehabilitation Hospital

shimashakibash.psy@gmail.com+98 21 2223 3017

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 18, 2026