PsychologyAugust 22, 2026

theta

THAY-tuh

Definition

A specific type of rhythmic brain wave frequency, often associated with states of deep relaxation, meditation, and the formation of new memories.

Etymology

Derived from the Greek letter theta, this word was adopted into English as the name of the eighth letter of the Greek alphabet and later used in scientific contexts to categorize brain wave oscillations.

In the news

The article uses the term to describe specific brain wave frequencies that show increased connectivity during handwriting, which researchers link to improved memory formation.

Psychology says people who type notes instead of writing them by hands may process information differently

Read the full article ↗

The Economic Times

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