Follow a question. Examine the evidence.

Explore investigations

Search customs, ideas and practices, or combine filters to follow a connection across cultures. Evidence assessments describe editorial conclusions, not scores or rankings.

3 investigations found · Page 1 of 1

A contemplative practice using directed attention and mental imagery without implying supernatural effects

Evidence Supported

Why Do Rituals Use Visualization and Mental Imagery?

Sacred visualization has long been used in Buddhist, Hindu and Christian contemplative practice. Modern science shows that imagery can influence attention, emotion and motor rehearsal—without supporting claims that thought alone…

A single candle flame glowing in a dark setting

Scientifically Plausible

Why Did Yogic Traditions Practice Trataka Candle Gazing?

Trataka is a classical yogic gazing practice often taught with a candle flame. Research suggests plausible attention and selected visual benefits, but broad eye-healing and third-eye claims exceed the evidence.

A person with eyes closed during prayer or contemplative practice

Scientifically Plausible

Why Do People Close Their Eyes During Prayer and Meditation?

Closing the eyes can reduce visual distraction and support imagery or inward attention, but prayer and meditation traditions also use open or lowered gaze. The science supports a flexible attentional…