Psychology Wiki

Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual differences | Personality | Philosophy | Social |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |

Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Neuroscience · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology (Index, Outline)

A delta wave is a large, slow (less than 4 Hz) brain wave associated with deep sleep.

In the heart a delta wave in the ECG is seen in Wolff-Parkinson-White syndrome.

Delta waves

Delta waves are present only in stage-three sleep, stage-four sleep, cases of brain injury and coma. During sleep, delta waves are not present in the other stages (1, 2, and REM).

See also

This page uses Creative Commons Licensed content from Wikipedia (view authors).