mimicking their mothers' predominant mood state. In another sample, cross-spectral analyses of the mothers' and infants' behavior and heart rate time series suggested greater coherence in the mother-infant states in non-depressed dyads (Smith, Schwartz, Mandell, Silberstein, Dalack, & Sacks, 1969). Greater coherence was noted in !
             infant and mother behavior/heart rate for the non-depressed versus the depressed. The way this was interpreted is that the non-depressed mothers were more empathetic autonomically to their infants' fluctuating behavior states (Smith, et al, 1969).
             A study that shows the infant's mirroring of the depressed mother observed the mother and infant did not change during the "looking depressed" interaction period. The infants of the depressed mothers seemed to have beco
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