Cognitive function related to pain empathy in healthy adults using transcranial direct current stimulation (tDCS)

Cognitive function related to pain empathy in healthy adults using transcranial direct current stimulation (tDCS) - Neural mechanism of pain empathy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000039849

Enrollment

Registered

2020-03-17

Start date

2020-03-23

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Healthy adults

Interventions

Single direct current stimulation (20 minutes) Wash-out period for 1 week or more Single sham stimulation (20 minutes) Single sham stimulation (20 minutes) Wash-out period for 1 week or more Sing

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Subjects with no history of psychiatric disorders or head injury 2) Subjects not taking drugs affecting cognitive functions 3) Subjects who have the ability to provide informed consent by their free will

Exclusion criteria

Exclusion criteria: 1) Pregnant woman, woman suspected of being pregnant 2) Subjects with history of migraine, seizure disorders, epilepsy 3) Subjects with scalp problems 4) Subjects who have metal implants such as a heart pacemaker 5) Subjects with history of adverse effects to tDCS or other brain stimulation techniques 6) Smokers 7) Subjects taking caffeine 2 days before or alcohol the day before the trial 8) Subjects who are judged as not suitable for participation in this study

Design outcomes

Primary

Measure	Time frame
Signal changes in fMRI (BOLD signal) after stimulation	—

Countries

Japan

Contacts

Public ContactYumiko Ikeda

Nippon Medical School Department of Pharmacology

y-ikeda@nms.ac.jp03-3822-2131

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026