A psychophysiological investigation of laterality in human emotion elicited by pleasant and unpleasant film clips.

Further analyses showed that there were significant valence effects for each ear (right ear: F(2, 13) = 59.15, p < 0.001; left ear: F(2, 13) = 26.54, p < 0.001), with highly significant linear trends (right ear: t = 175.787.64, p < 0.0001; left ear: t = 166.53, p < 0.001); a significant sex × valence effect was found for both ears: left ear, F(2, 13) = 16.50, p < 0.05; right ear, F(2, 13) = 24.50 p < 0.001.

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