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Effect of maternal deprivation on sucrose reward and behavior in the liberation task. (A) The number of sucrose rewards earned in a progressive ratio design. (B) Motivation to liberate a cage mate (number of completed ratios) in the Escape to Box 1 configuration in an adapted progressive ratio design. (C) Motivation to open the doors in the Not Trapped configuration. Data represent individual data points and mean ± SEM, n = 10 per experimental group.
