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Fig. 5. Estimate of the input resistance (Rinput) from the
non-junctional (nj) and gap-junctional (gj) resistances (R) of
principal cells. Rinput can also be measured directly as
the ratio
Vbl1/
Iinject.
The comparison of estimated values and values measured directly tests the
short-circuit assumption needed to obtain measurements of the gap-junction
resistance. In previous studies we have used Rpc to refer
to Rinput (Masia et
al., 2000). The non-junctional resistance Rnj
includes Ra, Rbl and
Rlu.