Mean ± SD | Range | |
---|---|---|
Antidromic threshold | 388 ± 264 μA | 100–1000 μA |
Frequency following (minimum interval)a | 2.3 ± 0.5 ms | 1.5–4.0 ms |
Antidromic latency | 19.7 ± 7.2 ms | 7–38 ms |
Conduction velocity (lower limit)b | 0.60 ± 0.29 m/s | 0.26–1.50 m/s |
Anterior–posterior distance from bregmac | B − 0.7 ± 1.1 mm | B + 1.4 to B − 1.9 mm |
↵an All but one cell followed paired-pulse stimulation at intervals of 3.0 ms or less. The one cell with a larger minimum interval (4.0 ms) was spontaneously active and exhibited collision between spontaneous and evoked action potentials.
↵bn A lower-limit estimate of conduction velocity was calculated using the cell's antidromic latency and the straight-line distance between stimulation and recording sites.
↵cn Estimated from Paxinos and Watson (1997).