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SSA of EPSCs and IPSCs measured by dual patch-clamp recording.

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posted on 08.12.2014 by Haitao Wang, Yi-Fan Han, Ying-Shing Chan, Jufang He

A and B, Representative traces showing SSA of an EPSC (A) and IPSC (B) at a stimulation frequency of 10 Hz. Postsynaptic currents were elicited by activation of auto-synaptic or trans-neuronal synaptic inputs. EPSCs adapted to repeated auto-synaptic stimuli, but a robust response reoccurred following the deviant trans-neuronal synaptic stimulus (A, upper panel). When the order of stimuli was reversed (A, lower panel), EPSCs adapted to repeated trans-neuronal synaptic stimuli, but a robust response reoccurred following the deviant auto-synaptic stimulus. This SSA profile was also found for IPSCs recorded from two inhibitory neurons (B).

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