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Article: Development of inhibitory timescales in auditory cortex.

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Oswald AM; Reyes AD
Cereb. Cortex, 2011


Table 3

Summary of developmental changes in inhibitory synaptic properties

Age P10-P14; n = 26 P15-P18; n = 97 P19-P29; n = 65 F value P value
Latency (ms) 0.8 ± 0.4 0.9 ± 0.3 0.6 ± 0.3**†† 11 2.0 × 10-5
τr (ms) 6 ± 3 4 ± 1** 3 ± 1**†† 14 1.6 × 10-6
τd (ms) 68 ± 34 54 ± 30 50 ± 31 3.4 0.04
tpeak (ms) 16 ± 5 13 ± 3** 13 ± 4†† 12 1.3 × 10-5
Amplitude (mV) 0.8 ± 0.5 0.7 ± 0.2 0.5 ± 0.3*†† 6.9 1.0 × 10-3
Fail rate 0.12 ± 0.12 0.11 ± 0.14 0.14 ± 0.14 n/a n/a
PPR 0.7 ± 0.2 0.7 ± 0.2 0.7 ± 0.2 2.7 0.07
Vm (mV) -59 ± 5 -61 ± 3 -61 ± 3 0.93 0.4
  • Note: τr, IPSP rise constant; τd, IPSP decay constant; tpeak, time to peak from onset; n/a, not applicable; PPR, paired pulse ratio; Vm, membrane potential at which PSPs were recorded. Significance at **P < 0.01, *P < 0.05 with column to immediate left (i.e., P10-P14 vs. P15-P18 and P15-P18 vs. P19-P29), ††P < 0.01, P < 0.05 for P10-P14 versus P19-P29. F values and P values are for ANOVA comparisons between multiple age groups. ANOVA was n/a for statistical analysis of synaptic failure rate.


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Inferred neuron-electrophysiology data values

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