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Pre-extinction CBD attenuates the subsequent decline in contextual freezing following weak conditioning. CBD was injected 30 min prior to the extinction session, or in the absence of an extinction session. There were no acute effects of CBD during the extinction session itself (A), but there was an extinction-dependent effect at the subsequent test (B). Vehicle-injected rats froze at lower levels than CBD-treated rats. N = 6–8 per group. *p < 0.05.
