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Psychoacoustics is the branch of psychophysics involving the scientific study of the perception of sound by the human auditory system.It is the branch of science studying the psychological responses associated with sound including noise, speech, and music.
In modern psychology, vigilance, also termed sustained concentration, is defined as the ability to maintain concentrated attention over prolonged periods of time. [1] During this time, the person attempts to detect the appearance of a particular target stimulus. The individual watches for a signal stimulus that may occur at an unknown time. [2]
Auditory illusions are illusions of real sound or outside stimulus. [1] These false perceptions are the equivalent of an optical illusion: the listener hears either sounds which are not present in the stimulus, or sounds that should not be possible given the circumstance on how they were created.
The accuracy of tempo within an auditory image usually suffers when recalled; however, the consistency of a person's perception of tempo is preserved. When surveying subject's auditory imagery, their sense of tempo usually stays within 8% of the original tempo heard in a song that the subject heard at some point in the past. [1]
Integration only appears if visual stimuli is used to improve performance when the auditory signal is impoverished but audible. [14] Therefore, there is a McGurk effect exhibited in people with damage to the right hemisphere of the brain but the effect is not as strong as a normal group.
The concept of backward masking originated in psychoacoustics, referring to temporal masking of quiet sounds that occur moments before a louder sound.. In cognitive psychology, visual backward masking involves presenting one visual stimulus (a "mask" or "masking stimulus") immediately after a brief (usually 30 ms) "target" visual stimulus resulting in a failure to consciously perceive the ...
An example of visual capture is the ventriloquism effect, that occurs when an individual's visual system locates the source of an auditory stimulus at a different position than where the auditory system locates it. When this occurs, the visual cues will override the auditory ones.
Numerous individuals suffering from auditory hallucinations, delusional disorders, [18] or other mental illnesses have claimed that government agents use forms of mind control technologies based on microwave signals to transmit sounds and thoughts into their heads as a form of electronic harassment, referring to the alleged technology as "voice ...