Table 1.

Summary of solitary tract synaptic responses of NTS neurons

Neuron typeAmplitude EPSC1 (pA)Latency (ms)Jitter (μs)Percentage failures EPSC1N EPSC1q EPSC1 (pA)
Total second order (n = 57)345 ± 31 pA (64–880)5.5 ± 0.3 (2.3–11.9)104 ± 7 (34–177)0.2 ± 0.1 (0–3.0)18.6 ± 2.3 (1.4–54)34.0 ± 4.7 (7–140)
Ca2+ cells (n = 8)a313 ± 56 pA (95–569)5.1 ± 0.5 (2.9–7.4)102 ± 11 (57–135)0.2 ± 0.2 (0–1.7)18.4 ± 2.8 (4.4–32.5)24.0 ± 9.0 (7–81)
AVP sensitive (n = 26)381 ± 49 pA (82–880)5.7 ± 0.3 (2.6–11.9)101 ± 7 (34–177)0.1 ± 0.1 (0–1.0)18.0 ± 2.8 (2–54)38.0 ± 6.4 (10–140)
Nonfailure type (n = 20)429 ± 60 pA (82–880)5.5 ± 0.4 (2.6–11.9)105 ± 8 (50–177)±0.1 (0–1.0)19.9 ± 3.6 (2–54)38.0 ± 8.0 (10–89)
Failure type (n = 6)214 ± 56 pA (115–465)6.6 ± 0.3 (5.3–7.8)93 ± 16 (34–120)0% (0–0)10.7 ± 1.7 (3–14)39.8 ± 12.0 (12–94)
AVP resistant (n = 23)284 ± 44 pA (64–755)5.1 ± 0.4 (3.1–9.6)98 ± 8 (34–149)0.2 ± 0.2 (0–3.0)15.0 ± 3.5 (1.4–40.7)36.9 ± 9.8 (7–201)
Baroreceptive (n = 7)337 ± 56 pA (150–554)4.6 ± 0.7 (2.3–7.3)110 ± 9 (76–135)0.1 ± 0.1 (0–1.0)15.4 ± 4.1 (6.0–30.1)29.4 ± 9.5 (12–80)
  • aTwo of these neurons received anatomically identified aortic baroreceptor terminals.