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Gamma wave information


Gamma waves

A gamma wave or gamma rhythm is a pattern of neural oscillation in humans with a frequency between 25 and 140 Hz, the 40 Hz point being of particular interest.[1] Gamma rhythms are correlated with large-scale brain network activity and cognitive phenomena such as working memory, attention, and perceptual grouping, and can be increased in amplitude via meditation[2] or neurostimulation.[1][3] Altered gamma activity has been observed in many mood and cognitive disorders such as Alzheimer's disease,[4] epilepsy,[5] and schizophrenia.[6]

  1. ^ a b McDermott B, Porter E, Hughes D, McGinley B, Lang M, O'Halloran M, Jones M. (2018). "Gamma Band Neural Stimulation in Humans and the Promise of a New Modality to Prevent and Treat Alzheimer's Disease". Journal of Alzheimer's Disease. 65 (2): 363–392. doi:10.3233/JAD-180391. PMC 6130417. PMID 30040729.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. ^ Lutz A, Greischar LL, Rawlings NB, Ricard M, Davidson RJ (2004). "Long-term meditators self-induce high-amplitude gamma synchrony during mental practice". Proceedings of the National Academy of Sciences. 101 (46): 16369–73. Bibcode:2004PNAS..10116369L. doi:10.1073/pnas.0407401101. PMC 526201. PMID 15534199.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. ^ Thomson H (2018). "How flashing lights and pink noise might banish Alzheimer's, improve memory and more". Nature. 555 (7694): 20–22. Bibcode:2018Natur.555...20T. doi:10.1038/d41586-018-02391-6. PMID 29493598.
  4. ^ Cite error: The named reference pmid18607528 was invoked but never defined (see the help page).
  5. ^ Hughes JR (July 2008). "Gamma, fast, and ultrafast waves of the brain: their relationships with epilepsy and behavior". Epilepsy & Behavior. 13 (1): 25–31. doi:10.1016/j.yebeh.2008.01.011. PMID 18439878. S2CID 19484309.
  6. ^ Jia X, Kohn A (2011). "Gamma rhythms in the brain". PLOS Biology. 9 (4): e1001045. doi:10.1371/journal.pbio.1001045. PMC 3084194. PMID 21556334.

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Gamma wave

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A gamma wave or gamma rhythm is a pattern of neural oscillation in humans with a frequency between 25 and 140 Hz, the 40 Hz point being of particular...

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Gamma

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Gamma (/ˈɡæmə/; uppercase Γ, lowercase γ; Greek: γάμμα gámma) is the third letter of the Greek alphabet. In the system of Greek numerals it has a value...

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Wave vector

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{\omega _{\mathrm {obs} }}{\omega _{s}}}={\frac {1}{\gamma (1-0)}}={\frac {1}{\gamma }}} Plane-wave expansion Plane of incidence In most contexts, both...

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Gamma ray

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A gamma ray, also known as gamma radiation (symbol γ ), is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic...

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Electromagnetic spectrum

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electromagnetic waves within each band. From low to high frequency these are: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays...

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Beta wave

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Delta wave – (0.1 – 3 Hz) Theta wave – (4 – 7 Hz) Alpha wave – (7 – 12 Hz) Beta wave – (12 – 30 Hz) Gamma wave – (30 – 100 Hz) Rassi, Elie; Lin, Wy...

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Index of wave articles

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This is a list of wave topics. Contents:  Top 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z...

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Sharp waves and ripples

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Sleep spindle Delta wave – (0.1–4 Hz) Alpha wave – (8–12 Hz) Theta wave – (4–8 Hz) Mu wave – (8–13 Hz) Beta wave – (13–30 Hz) Gamma wave – (25–100 Hz) High-frequency...

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Standing wave ratio

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in}}|&=|V_{f}|-|V_{r}|\\&=|V_{f}|-|\Gamma V_{f}|\\&=(1-|\Gamma |)|V_{f}|.\end{aligned}}} The voltage standing wave ratio is then VSWR = | V max | | V min...

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Delta wave

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Delta waves have been shown to be mediated in part by T-type calcium channels. During delta wave sleep, neurons are globally inhibited by gamma-aminobutyric...

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Brain Boost

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games-in-1". This game includes Brain Boost Beta Wave, Brain Boost Gamma Wave, and a new game. Brain Boost Beta Wave has a Metacritic score of 39% based on 12...

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Theta wave

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3 Hz) Theta wave – (4 – 8 Hz) Alpha wave – (8 – 15 Hz) Mu wave – (7.5 – 12.5 Hz) SMR wave – (12.5 – 15.5 Hz) Beta wave – (16 – 31 Hz) Gamma wave – (32 – 100 Hz)...

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Alpha wave

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– (8 – 12 Hz) Mu wave – (7.5 – 12.5 Hz) SMR wave – (12.5 – 15.5 Hz) Beta wave – (15 – 30 Hz) Gamma wave – (>30 Hz) Foster JJ, Sutterer DW, Serences JT...

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Electromagnetic radiation

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radiant energy. Types of EMR include radio waves, microwaves, infrared, (visible) light, ultraviolet, X-rays, and gamma rays, all of which are part of the electromagnetic...

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Photon

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level, photons of various energy will be emitted, ranging from radio waves to gamma rays. Photons can also be emitted when a particle and its corresponding...

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Neural oscillation

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phase of a slow wave is coupled with the amplitude of a fast wave. The theta-gamma code is a coupling between theta wave and gamma wave in the hippocampal...

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Gamma function

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In mathematics, the gamma function (represented by Γ, the capital letter gamma from the Greek alphabet) is one commonly used extension of the factorial...

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5th Projekt

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September 14, 2013, its 10-year anniversary, 5th Projekt released the EP Gamma-Wave Rhythm. The album was produced, engineered, written, and performed by...

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Wave

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radiation, terahertz waves, visible light, ultraviolet radiation, X-rays and gamma rays. Other types of waves include gravitational waves, which are disturbances...

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the type thought to have produced the gravitational wave event are not expected to produce gamma-ray bursts, as stellar-mass black hole binaries are not...

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Sleep paralysis

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Dirac equation

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matrices and the form of the wave function have a deep mathematical significance. The algebraic structure represented by the gamma matrices had been created...

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An oblique shock wave is a shock wave that, unlike a normal shock, is inclined with respect to the direction of incoming air. It will occur when a supersonic...

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Reflection coefficient

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that of the incident wave ( V + {\displaystyle V^{+}} ). This is typically represented with a Γ {\displaystyle \Gamma } (capital gamma) and can be written...

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