Article: Distinguishing characteristics of serotonin and non-serotonin-containing cells in the dorsal raphe nucleus: electrophysiological and immunohistochemical studies.
Full Text (publisher's website) ; Article Metadata ; Article Data (extracted) Kirby LG; Pernar L; Valentino RJ; Beck SG Neuroscience, 2003
Table 1Electrophysiological properties of 5-HT-containing and non-5-HT-containing cells in the rat DRN
Values indicate mean±S.E.M. The group size is indicated within parentheses. Asterisks/pound signs indicate a significant difference between groups by unpaired Student’s t-test (*) or Mann–Whitney Rank Sum Test (#) (P<0.05). These distinguishing characteristics are further highlighted by bold print.
5-HT-IR+ | 5-HT-IR− | |
Resting membrane potential (mV) | −67.8±1.4 (17) | −65.2±0.7 (20) |
Input resistance (MΩ) | 241.5±29.2 (15) | 325.8±35.7 (20) |
Tau (ms) | 21.4±4.4 (16) | 33.5±4.2# (20) |
Spike threshold (mV) | −54.9±0.5 (17) | −54.6±0.3 (20) |
Spike amplitude (mV) | 61.4±2.2 (17) | 65.0±2.3 (20) |
Spike duration (ms) | 2.0±0.1 (15) | 1.8±0.1 (17) |
AHP amplitude (mV) | 15.9±0.9 (17) | 16.6±1.4 (19) |
AHP duration (t1/2; ms) | 177.1±21.1 (17) | 137.5±8.6 (19) |
AHP tau (ms) | 7.3±1.9 (17) | 1.8±0.6# (19) |
Firing rate of spontaneously active cells (Hz) | 0.8±0.3 (3) | 2.9±0.5* (5) |