Meditation and Prayer: Similarities, Differences and Research

Two words, a lot of overlap

For many people, prayer and meditation are not separate. Researchers use the word "mantra" for holy names or "prayer words" that are repeated, so the line between the two is blurred in the literature. [1] NCCIH describes meditation as a variety of practices, some of which keep attention on a sound, an image or a mantra, which is a repeated word or phrase. [2]

This page compares them in plain terms and reports what studies measured. It does not judge any faith, and it does not treat a trial result as a verdict on prayer's meaning. For practice in particular faiths, see Christian contemplative practice, Islamic and Sufi contemplative practices and Vedic and Hindu meditation traditions.

How they are different

• Direction and purpose. In the research on intercessory prayer, people pray to God or a god on behalf of someone who is ill. [3] Mindfulness, a form of meditation that is often taught without religious content, involves keeping attention on the present moment without judgment. [2]
• Who the research counts. Studies sometimes label a practice "spiritual meditation" when it uses spiritual or religious content, and compare it with secular meditation. [4]
• Aim. Within a tradition, the aim may be closeness to God, awakening or devotion. That is different from a health outcome. See secular and religious meditation.

How common are they? In a 2012 U.S. national survey of 34,525 adults, 12-month use was 3.1 percent for spiritual meditation, 1.9 percent for mindfulness and 1.6 percent for mantra meditation. [5]

What research measured

1. Does being prayed for (intercessory prayer) add to usual care?

   No good evidence of benefit (mixed individual trials)

   Cochrane review of 10 trials (7,646 patients): no clear effect on death or general clinical state; evidence neither supports nor argues against it [3]

2. Do religious or spiritual interventions help mental health?

   Promising but limited

   Meta-analysis of 23 randomized trials: anxiety symptoms improved, including a meditation subgroup; protocols varied widely; intercessory prayer was excluded [6]

3. Spiritual meditation vs secular meditation or relaxation for migraine

   Promising but limited (small, not blinded)

   Trial of 83 people practicing 20 minutes a day for a month: spiritual meditation had greater falls in migraine frequency and anxiety [4]

4. Same question, medication use

   Promising but limited

   Trial of 92 people: migraine frequency and, after adjustment, medication use fell more with spiritual meditation [7]

5. Praying the rosary and well-being

   Insufficient evidence (correlation only)

   Survey of 361 people in Italy, Poland and Spain linked rosary prayer to less depression and more empathy; it shows association, not cause [8]

6. Centering prayer and similar contemplative prayer

   Proper evidence not found

   We searched PubMed for trials and found none we could read

The migraine trials come from the same research group and cannot be blinded, so expectation may have played a role. The comparison groups were active (two kinds of secular meditation and muscle relaxation), which is a strength. [4]

Brain studies

A 2026 systematic review of 105 imaging studies across Buddhist, Christian, Islamic, Hindu and other traditions reports different patterns for meditation, prayer and chanting. [9] These are physiological findings, not health outcomes. They show that practices engage brain networks, and they do not show that one practice treats anything.

Related pages

Mantra and sacred sound, chanting, mantra and drumming, history of meditation.