Table 1.

Effect of trace conditioning on dendritic length of CA1 pyramidal cells

NaiveTrace pairedTrace unpairedp value
Apical dendritic length (μm)
 Secondary branches99.3  ± 2.5110.5  ± 4.0106.5  ± 3.20.09
 Tertiary branches47.8  ± 1.947.9  ± 2.149.1  ± 1.70.86
Basal dendritic length (μm)
 Secondary branches85.5  ± 4.682.5  ± 4.387.4  ± 3.10.70
 Tertiary branches30.6  ± 1.935.4  ± 5.932.5  ± 2.30.68
  • Values represent means ± SEM of dendritic length for CA1 pyramidal cells from animals that were naive or underwent trace conditioning with paired or unpaired stimuli (n = 5 per group). No significant differences were observed.