brainwave
brainwave (n)
- plural
- brainwaves
brainwave (adj)
English Definitions:
brainwave, brain wave, cortical potential (noun)
(neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
insight, brainstorm, brainwave (noun)
the clear (and often sudden) understanding of a complex situation
brainwave (Noun)
Any of many rhythmic fluctuations of electric potential between parts of the brain, especially those seen on an electroencephalogram
brainwave (Noun)
A sudden idea, understanding, or inspiration; a brainstorm
Brainwave
Brainwave is a name shared by two characters in the DC Comics Universe, who are father and son. The character made his first appearance in the pages of All Star Comics #15 in a story titled The Man Who Created Images written by Gardner Fox with art by Joe Gallagher.
brainwave
Neural oscillations, or brainwaves, are rhythmic or repetitive patterns of neural activity in the central nervous system. Neural tissue can generate oscillatory activity in many ways, driven either by mechanisms within individual neurons or by interactions between neurons. In individual neurons, oscillations can appear either as oscillations in membrane potential or as rhythmic patterns of action potentials, which then produce oscillatory activation of post-synaptic neurons. At the level of neural ensembles, synchronized activity of large numbers of neurons can give rise to macroscopic oscillations, which can be observed in an electroencephalogram. Oscillatory activity in groups of neurons generally arises from feedback connections between the neurons that result in the synchronization of their firing patterns. The interaction between neurons can give rise to oscillations at a different frequency than the firing frequency of individual neurons. A well-known example of macroscopic neural oscillations is alpha activity. Neural oscillations in humans were observed by researchers as early as 1924 (by Hans Berger). More than 50 years later, intrinsic oscillatory behavior was encountered in vertebrate neurons, but its functional role is still not fully understood. The possible roles of neural oscillations include feature binding, information transfer mechanisms and the generation of rhythmic motor output. Over the last decades more insight has been gained, especially with advances in brain imaging. A major area of research in neuroscience involves determining how oscillations are generated and what their roles are. Oscillatory activity in the brain is widely observed at different levels of organization and is thought to play a key role in processing neural information. Numerous experimental studies support a functional role of neural oscillations; a unified interpretation, however, is still lacking.
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