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Isochronic tones can quantitatively be distinguished by both the frequency or pitch of the tone itself, and by the interval or frequency of repetition of the tone. While listening to isochronic tones is a technique often employed in the theoretical practice of brainwave entrainment, there is no significant research that confirms any claims of ...
A gamma wave or gamma rhythm is a pattern of neural oscillation in humans with a frequency between 30 and 100 Hz, the 40 Hz point being of particular interest. [1] Gamma waves with frequencies between 30 and 70 hertz may be classified as low gamma , and those between 70 and 150 hertz as high gamma .
Diagram of beat frequency. In acoustics, a beat is an interference pattern between two sounds of slightly different frequencies, perceived as a periodic variation in volume whose rate is the difference of the two frequencies. With tuning instruments that can produce sustained tones, beats can be readily recognized.
Daily Assessment of Symptoms – Anxiety; Generalized Anxiety Disorder 7 (GAD-7) [4] [5] Hamilton Anxiety Scale (HAM-A) [6] [7] Hospital Anxiety and Depression Scale; Panic and Agoraphobia Scale (PAS) Panic Disorder Severity Scale (PDSS) PTSD Symptom Scale – Self-Report Version; Screen for child anxiety related disorders
Binaural beats can be used to induce specific brainwave frequencies, [33] [unreliable source] notably those predominant in various mind awake/body asleep states. Binaural induction of a "body asleep" 4 Hertz brainwave frequency was observed as effective by the Monroe Institute , [ 34 ] and some authors consider binaural beats to be ...
A spectrogram of ascending Shepard tones on a linear frequency scale A Shepard tone , named after Roger Shepard , is a sound consisting of a superposition of sine waves separated by octaves . When played with the bass pitch of the tone moving upward or downward, it is referred to as the Shepard scale .
Binaural recording is a method of recording sound that uses two microphones, arranged with the intent to create a 3D stereo sound sensation for the listener of actually being in the room with the performers or instruments.
Auditory processing disorder (APD) is a neurodevelopmental disorder affecting the way the brain processes sounds. [2] Individuals with APD usually have normal structure and function of the ear, but cannot process the information they hear in the same way as others do, which leads to difficulties in recognizing and interpreting sounds, especially the sounds composing speech.