New research from Johns Hopkins reveals the long-lasting cognitive impairments caused by alcohol. In a study involving rats exposed to high quantities of alcohol vapor, researchers found that even months post-abstinence, decision-making abilities were significantly compromised. The rats were tested on a challenging reward-based decision-making task, which demanded memory and strategic thinking. Those previously exposed to alcohol performed worse than sober rats, underscoring the enduring effects of alcohol on cognition and the brain's capability to adapt after withdrawal.
In the decision-making test, alcohol-exposed rats significantly underperformed compared to control rats, indicating that even after prolonged sobriety, cognitive impairments persist.
Our findings are groundbreaking in that they reveal significant deficits in decision-making speed and strategy in alcohol-exposed rats, which previous studies had not demonstrated.
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