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. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: Dev Psychobiol. 2008 Nov;50(7):640–646. doi: 10.1002/dev.20331

FIGURE 4.

FIGURE 4

(A) Mean (±standard error) conditioned response (CR) amplitude for rat pups given paired (black symbols) or unpaired (white symbols) presentations of cochlear nucleus stimulation as the conditioned stimulus (CS) and the unconditioned stimulus (US) on postnatal days (P) 17–18 (squares) or P24–25 (circles). (B) Mean (± standard error) CR peak latency for the same groups as described above for A. The dashed line indicates the onset time of the US. The data are displayed in blocks of three sessions (sessions 1–3 and 4–6). Response amplitudes and latencies were measured from CRs that occurred during CS-alone test trials.