People & context · Helping someone else
Brain-scan experiment Cause and effect
A trusted hand changed the brain's response to threat
Among 16 married women facing the threat of an electric shock, holding their husband's hand reduced activity in threat-related brain systems broadly and a stranger's hand more narrowly, with larger reductions where marital quality was higher, as found using a within-person brain-scanning experiment.
Details
- Who was studied
- 16 married women
- Observation window
- One scanning session
- What was measured
- Brain activity under threat; marital quality
- What this establishes
- Cause and effect, in this setting
Limits: Very small sample; women only; one kind of threat.
What it does not show: This establishes that a partner's hand can change the brain's threat response in this setting, but not that any touch from anyone reduces stress for everyone.
Relationship to Calmistry
Supports treating who is present as part of the situation. Calmistry measures how much of the room gets in, not how others calm you; that link is untested.
Calmistry hypothesis · not yet tested in Calmistry's own instrument
Related findings
Checked against the original on 2026-10-08 · DOI 10.1111/j.1467-9280.2006.01832.x · PMID 17201784
Coan, Schaefer & Davidson (2006), Psychological Science · Original publication