- sleep spindles
- bursts of activity at frequencies of about 14 per second, seen on the electroencephalogram in light or early sleep.
Medical dictionary. 2011.
Medical dictionary. 2011.
Sleep spindle — A sleep spindle is burst of brain activity visible on an EEG that occurs during stage 2 sleep. It consists of 12 16 Hz waves that occur for 0.5 to 1.5 seconds. FunctionSleep spindles may represent periods where the brain is inhibiting processing… … Wikipedia
Sleep — Waking up redirects here. For other uses, see Waking Up (disambiguation). This article is about sleep in general; for specifically non human sleep see Sleep (non human); for other uses, see Sleep (disambiguation). Sleeping child Sleep is a… … Wikipedia
sleep — sleepful, adj. sleeplike, adj. /sleep/, v., slept, sleeping, n. v.i. 1. to take the rest afforded by a suspension of voluntary bodily functions and the natural suspension, complete or partial, of consciousness; cease being awake. 2. Bot. to… … Universalium
Non-rapid eye movement sleep — slow eyes redirects here. For sloe eyes, see Prunus spinosa. Non rapid eye movement, or NREM is, collectively, sleep stages 1 – 3, previously known as stages 1 – 4. Rapid eye movement sleep (REM) is not included. There are distinct… … Wikipedia
Electroencephalography — (EEG) is the measurement of electrical activity produced by the brain as recorded from electrodes placed on the scalp.Just as the activity in a computer can be understood on multiple levels, from the activity of individual transistors to the… … Wikipedia
Declarative memory — (sometimes referred to as explicit memory) is one of two types of long term human memory. It refers to memories which can be consciously recalled such as facts and knowledge. Its counterpart is known as non declarative or Procedural memory,… … Wikipedia
Memoria declarativa — La memoria declarativa (en ocasiones, y de una forma más general, conocida como memoria explícita) es uno de los dos tipos de memoria a largo plazo en los seres humanos. Hace referencia a todos aquellos recuerdos que pueden ser evocados de forma… … Wikipedia Español
Morvan's syndrome — Classification and external resources ICD 10 G60.8 ICD 9 336.0 … Wikipedia
Motor Skill Consolidation — represents the process by which motor skills are transformed from an initial fragile state, in which they are especially prone to being disrupted or lost, to a more solid or permanent state. Any newly formed motor skill, such as learning to… … Wikipedia
stage 2 nightmare — The term stage 2 nightmare was introduced in or shortly before 1968 by the American sleep researchers Charles Fisher (1908 1988), Joseph V Byrne, and Adele Edwards It refers to a type of night terror which may occur during the stage of light… … Dictionary of Hallucinations