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1. The membrane currents evoked by afferent fiber stimulation in the piriform cortex were derived by the use of current source-density (CSD) analysis in the rat under urethan anesthesia. The primary goals were to test hypotheses concerning the sequence of synaptic events evoked by afferent fiber stimulation and to derive data required for development and(More)
Prominent, odor-evoked, fast (40-60 Hz) oscillations have been reported in the olfactory bulb and piriform (primary olfactory) cortex of both awake-behaving and anesthetized animals. The present study used current source-density analysis to examine the origin of the fast oscillations evoked by single weak shocks to afferent fibers. These shock-evoked(More)
1. The detailed visualization of membrane currents over time and depth provided by current source-density (CSD) analysis was used as the basis for development of a system model that reproduces the response of piriform cortex to afferent fiber stimulation. This model has allowed the testing and substantial revision of previous hypotheses concerning the(More)
Regulation of the NMDA component of EPSPs by different components of postsynaptic GABAergic inhibition: computer simulation analysis in piriform cortex. J. Neurophysiol. 78: 2546-2559, 1997. Physiological analysis in the companion paper demonstrated that gamma-aminobutyric acid-A (GABAA)-mediated inhibition in piriform cortex is generated by circuits that(More)
Key aspects of lysosomal function are affected by the ionic content of the lysosomal lumen and, therefore, by the ion permeability in the lysosomal membrane. Such functions include regulation of lysosomal acidification, a critical process in delivery and activation of the lysosomal enzymes, release of metals from lysosomes into the cytoplasm and the(More)
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