A comparison of extracellular and intracellular recordings from medial septum/diagonal band neurons in vitro
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Cited by (48)
Differential expression of voltage-gated K+ currents in medial septum/diagonal band complex neurons exhibiting distinct firing phenotypes
2011, Neuroscience ResearchCitation Excerpt :Correlation between firing behavior and K+ currents has previously been explored in the MS/DB. For example, apamin-sensitive Ca2+-dependent K+ currents underlying slow afterhyperpolarizing potentials (sAHP) have been described in slow firing cholinergic neurons of the MS/DB, and they are thought to contribute to the neurons’ strong spike adaptation (Griffith, 1988; Griffith and Matthews, 1986; Matthews and Lee, 1991). In contrast, fast-spiking neurons exhibiting markedly fast afterhyperpolarizing potential (fAHP) and little accommodation express modest apamin-sensitive Ca2+-dependent K+ current (Morris et al., 1999; Sotty et al., 2003).
Electrophysiological and morphological heterogeneity of slow firing neurons in medial septal/diagonal band complex as revealed by cluster analysis
2007, NeuroscienceCitation Excerpt :In our study, we fail to correlate any emerging cluster subgroup with a particular morphological type. It is generally accepted that slow firing neurons express predominantly a cholinergic phenotype (Matthews and Lee, 1991; Jones et al., 1999). However, recently described septal glutamatergic neurons (Colom et al., 2005) may also express a slow firing phenotype (Sotty et al., 2003; Manseau et al., 2005).
Differentiation of simple spike waveforms in the hamster dorsal cochlear nucleus
2006, Brain ResearchCitation Excerpt :The data suggest an additional means by which neurons of different physiological and/or morphological categories might be identified. Extracellular spike waveforms have been used in many studies to differentiate cell types and to determine important functional differences between these cell types (Nisenbaum et al., 1988; Matthews and Lee, 1991; Rao et al., 1999; Gur et al., 1999; Bruno and Simons, 2002; Rauske et al., 2003). Cholinergic neurons in the medial septum/diagonal band exhibit a slow calcium-activated potassium conductance, which results in a prominent hump in extracellular recorded spikes, and a similar hump in the first derivative of intracellular spikes; this hump distinguishes these cells from non-cholinergic neurons in this region (Matthews and Lee, 1991).