Brain and the Bible. Part 6: A Peaceful Mind – Integrating Faith and Brain Renewal

Psychologist Anna Ponnudurai explains how prayer, worship and Scripture can calm the mind and help rewire the brain for peace. Read the rest of the Brain and the Bible series below.

Key points:

Registered psychologist Anna Ponnudurai says the peace described in the Bible is not only spiritual, but also has a real impact on the body and brain.

“The peace of God isn’t just spiritual, it actually settles our nervous system,” she said.

She explains that practices like prayer and worship can influence how the body responds to stress.

“When we pray, our breathing slows down, our heart rate follows, and that sends signals to the brain that we are safe and okay.”

This physiological response helps move the body into a calmer state, reducing stress and anxiety.

Anna also highlights how thought patterns shape the brain over time.

“Repetitive thoughts create neural pathways, and the more we walk in them, the stronger they become.”

This means the focus of our thoughts matters.

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“God’s Word isn’t just truth for the soul, it’s nourishment for the brain.”

By regularly reflecting on Scripture, Anna says we begin to reshape how we think and respond.

“The more we meditate on God’s Word, the more our brains begin to reflect His peace and His love.”

This connection between faith and neuroscience offers a practical pathway to a more peaceful mind.

Listen to the full interview in the player above.