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Article: Local circuitry involving parvalbumin-positive basket cells in the CA2 region of the hippocampus.

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Mercer A; Eastlake K; Trigg HL; Thomson AM
Hippocampus, 2012


Table 2. Properties of IPSPs Elicited by Single Presynaptic Action Potentials in Basket Cell–Pyramid Connections Recorded in the CA2 Region
Cell typePostsynaptic MP (mV)IPSP mean amplitude (mV)IPSP half width (ms)IPSP 10–90% rise time (ms)

  1. Data are represented as mean ± standard deviation (SD).

  2. Abbreviation: MP, membrane potential.

  3. IPSPs elicited in wide dendritic arbor CA2 basket cells were similar in amplitude to those elicited in narrow dendritic arbor CA2 basket cells (MW U, P > 0.05) and in CA1 basket cells (MW U, P > 0.05, U = 57). The widths at half amplitude and the 10–90% rise times of these IPSPs were also similar (MW U, P > 0.05).

CA2 pyramid-basket cell connections    
 Narrow dendritic arbor basket cells (n = 7)−61.8 ± 3.9−1.31 ± 0.6331.7 ± 10.14.8 ± 1.8
 Wide dendritic arbor basket cells (n = 7)−59.8 ± 4−0.84 ± 0.4739.5 ± 10.75.4 ± 1.3
CA1 pyramid-basket cell connections (n = 6)−60.6 ± 7−1.23 ± 0.5226.8 ± 9.24.1 ± 1

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