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Jim Liebelt Christian Blog and Commentary

Amphetamine Use In Adolescence May Impair Adult Memory

  • Jim Liebelt
    Jim is Senior Writer, Editor and Researcher for the HomeWord Center for Youth and Family at Azusa Pacific University. Jim has over 25 years of experience as a youth and family ministry specialist, and has been on the HomeWord staff since 1998. He has served over the years as a pastor, author, youth ministry trainer, adjunct college instructor and speaker. Jim’s culture blog and parenting articles appear on HomeWord.com. Jim is a contributing author of culture and parenting articles to Crosswalk.com. Jim and his wife Jenny live in Olympia, WA.
  • 2009 Oct 22
  • Comments

This item should be of particular interest to parents regarding long term effects for their kids who are taking amphetamines therapeutically to treat conditions such as ADHD.

Rats exposed to high doses of amphetamines at an age that corresponds to the later years of human adolescence display significant memory deficits as adults -- long after the exposure ends, researchers report.

The declines in short-term or "working" memory are most pronounced when the rats are exposed during adolescence, rather than as adults, the researchers found.

"Animals that were given the amphetamine during the adolescent time period were worse at tasks requiring working memory than adult animals that were given the same amount of amphetamine as adults," said psychology professor Joshua Gulley, who led the study with graduate student Jessica Stanis. "This tells us that their working memory capacity has been significantly altered by that pre-exposure to amphetamine."

"Adolescence is a time when the brain is continuing to develop into its mature form, so drug exposure during this critical period could have long-lasting, negative consequences," he said. "Our findings reveal that adolescents are particularly sensitive to the adverse effects of amphetamine on cognitive function and that these effects can persist well after drug use is discontinued."

Gulley and his colleagues will present their findings at the annual meeting of the Society for Neuroscience in Chicago.

Source: ScienceDaily
http://www.sciencedaily.com/releases/2009/10/091021172655.htm