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Wave speed is a wave property, which may refer to absolute value of: . phase velocity, the velocity at which a wave phase propagates at a certain frequency; group velocity, the propagation velocity for the envelope of wave groups and often of wave energy, different from the phase velocity for dispersive waves
There are many kinds, generally written as A-B coupling, meaning the A of a slow wave is coupled with the B of a fast wave. For example, phase–amplitude coupling is where the phase of a slow wave is coupled with the amplitude of a fast wave. [70] The theta-gamma code is a coupling between theta wave and gamma wave in the hippocampal network ...
Today, the discovery of mirror neurons has led to an explosion of research on biological motion and action perception and understanding in research fields such as social and affective neuroscience, language, action, motion capture technology, and artificial intelligence such as androids and virtual embodied agents, and the uncanny valley ...
Alpha wave biofeedback has gained interest for having some successes in humans for seizure suppression and for treatment of depression. [35] Alpha waves again gained interest in regards to an engineering approach to the science fiction challenge of psychokinesis, i.e. control of movement of a physical object using energy emanating from a human ...
Motion of the medium itself. If the medium is moving, this movement may increase or decrease the absolute speed of the sound wave depending on the direction of the movement. For example, sound moving through wind will have its speed of propagation increased by the speed of the wind if the sound and wind are moving in the same direction.
Studies have shown that elimination of SWRs by electrical stimulation interfered with the ability of rats to recall spatial memories. [7] [8] These features support functional role of sharp waves and ripples in memory consolidation.
Holonomic brain theory is a branch of neuroscience investigating the idea that consciousness is formed by quantum effects in or between brain cells. Holonomic refers to representations in a Hilbert phase space defined by both spectral and space-time coordinates. [1]
In physiology Young made an important contribution to haemodynamics in the Croonian lecture for 1808 on the "Functions of the Heart and Arteries," where he derived a formula for the wave speed of the pulse [46] and his medical writings included An Introduction to Medical Literature, including a System of Practical Nosology (1813) and A ...