K G Dolgin

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2 experiments were conducted to examine 7-month-old infants' perception of the facial expressions happy and fear. Using a paired-comparison procedure, infants in the first experiment were able to generalize their discrimination of these 2 expressions across the faces of 4 male and female models if they were first presented with the set of happy faces, but(More)
The present study was designed to examine the ontogeny of frequency selectivity in the neonatal auditory system. Mice were tested between 12 and 65 days of age. At each age two measures of auditory sensitivity were made from cochlear nucleus evoked responses. Tone-burst evoked-response thresholds in the quiet were determined for frequencies between 1.0 and(More)
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