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Other noted signs include rocking back and forth, fidgeting, and pacing. [7] However, not all observable restless motion is akathisia. For example, while mania, agitated depression, and attention deficit hyperactivity disorder may present like akathisia, movements resulting from them feel voluntary, rather than being due to restlessness. [17]
Reciprocating motion, also called reciprocation, is a repetitive up-and-down or back-and-forth linear motion. It is found in a wide range of mechanisms, including reciprocating engines and pumps. The two opposite motions that comprise a single reciprocation cycle are called strokes. [citation needed]
As explained in a 2008 study, in people with mood disorders there is a dynamic link between their mood and the way they move. [6] People showing signs of psychomotor agitation may be experiencing mental tension and anxiety, which comes out physically as: fast or repetitive movements; movements that have no purpose; movements that are not ...
Shuckling (also written as shokeling), from the Yiddish word meaning "to shake", [1] is the ritual swaying [2] of worshippers during Jewish prayer, usually forward and back but also from side to side.
When the ISI is shorter, for example between two flashing lines alternating back and forth, we perceive the change in stimuli to be movement. [1] Wertheimer discovered that the space between the two lines is filled in by our brains and that the faster the lines alternate, the more likely we are to perceive it as one line moving back and forth. [1]
The rapid reiteration of a single note is a characteristic effect of bowed string instruments, obtained by rapidly moving the bow back and forth.However, the technique may be performed on any instrument on which it is practicable.
Scratching, sometimes referred to as scrubbing, is a DJ and turntablist technique of moving a vinyl record back and forth on a turntable to produce percussive or rhythmic sounds. A crossfader on a DJ mixer may be used to fade between two records simultaneously.
Movement can be used extensively by film makers to make meaning. It is how a scene is put together to produce an image. A famous example of this, which uses "dance" extensively to communicate meaning and emotion, is the film, West Side Story. Provided in this alphabetised list of film techniques used in motion picture filmmaking. There are a ...