Abstract
Previous research has shown that, following training-ECS treatments, rats kept in a sensory isolation chamber during the entire retention interval show little evidence of retrograde amnesia. In this experiment, rats trained on a passive avoidance task and kept in a sensory isolation chamber for only 1 h after training-ECS treatments also showed attenuated anmesia. In contrast, retrograde amnesia was complete in animals similarly trained but returned to home cages immediately after ECS. These results indicate that environmental manipulations within the first hour after training-ECS treatments can alter the amnesic effect of ECS, suggesting that critical events determining whether or not retrograde amnesia is produced may occur within that time period.
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Hinderliter, C.F., Smith, S.L. & Misanin, J.R. A reduction of ECS-produced amnesia through post-ECS sensory isolation. Bull. Psychon. Soc. 7, 542–544 (1976). https://doi.org/10.3758/BF03337277
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DOI: https://doi.org/10.3758/BF03337277