Table 1.

Percentage of neurons exhibiting significant effects (three-way ANOVA, p < 0.05) during the space-irrelevant and space-relevant trace-conditioning tasksa

Factor% significant effects (p < 0.05, n = 132) in the space-relevant, space-irrelevant trace-conditioning tasks (χ2 test)
100–500 ms500–900 ms900–1300 ms
Reward28.2% (37), 22.7% (29), p = 0.302227.5% (36), 34.1% (44), p = 0.247029.0% (38), 31.5% (41), p = 0.6563
Space51.9% (68), 50.8% (65), p = 0.856022.9% (30), 18.6% (24), p = 0.39328.4% (11), 10.0% (13), p = 0.6541
Block31.3% (41), 36.5% (46), p = 0.377627.5% (36), 29.9% (38), p = 0.664826.7% (35), 35.2% (45), p = 0.1417
Reward × space10.7% (14), 13.3% (17), p = 0.52028.4% (11), 4.7% (6), p = 0.22196.1% (8), 5.4% (7), p = 0.8021
Reward × block41.2% (54), 26.2% (33), p = 0.010917.6% (23), 14.2% (18), p = 0.45736.9% (9), 9.4% (12), p = 0.4603
Space × block16.0% (21), 9.5% (12), p = 0.11917.6% (10), 8.7% (11), p = 0.76285.3% (7), 7.8% (10), p = 0.4224
Three-way23.7% (31), 35.7% (45), p = 0.03438.4% (11), 13.4% (17), p = 0.19785.3% (7), 12.5% (16), p = 0.0429
  • aOnly those neurons recorded in both tasks are included (n = 132). The p values indicate the statistical significance of a comparison between the proportions of significantly selective neurons across tasks (χ2 test).