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Bars represent the mean ± SEM for 4 animals in each group tested at both 2 and 4.5 months of age on the Human Intruder paradigm. Freezing, hostile, anxiety-like, and self-directed behaviors during the Alone (A), Profile (P), and Stare (S) conditions for animals with sham operations (Neo-C, open bars) and animals with neonatal hippocampal lesions (Neo-Hibo, filled bars). # indicates significant age effect and * indicates significant group differences (p < 0.05).
