In 1993 Rauscher et al.1 made the surprising claim that, after listening to Mozart's sonata for two pianos (K448) for 10 minutes, normal subjects showed significantly better spatial reasoning skills than after periods of listening to relaxation instructions designed to lower blood pressure or silence. The mean spatial IQ scores were 8 and 9 points higher after listening to the music than in the other two conditions. The enhancing effect did not extend beyond 10-15 minutes. These results proved controversial. Some investigators were unable to reproduce the findings2,3,4 but others confirmed that listening to የሚል አስተሳሰብ ስላለ በዛው እንዲሳካልን በማሰብ ነው።
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