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No Evidence of Decrease in Cognitive Function in Users of Low-Dose Ecstasy—Reply
Thelma Schilt, MSc;
Maartje M. de Win, MD, PhD;
Maarten Koeter, PhD;
Gerry Jager, PhD;
Dirk J. Korf, PhD;
Wim van den Brink, MD, PhD;
Ben Schmand, PhD
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In reply
Krebs and Johansen raise some questions concerning the conclusions of our article "Cognition in Novice Ecstasy Users With Minimal Exposure to Other Drugs."1 We interpret the absence of a retest effect on a verbal memory task in Ecstasy users as a decrease in verbal memory. This is based on the fact that the Ecstasy-naive subjects showed an increase in performance between the initial and follow-up examinations, while the Ecstasy users did not. The memory performance in our control group increased, with 4 words on total immediate recall and more than half a word on delayed recall at the second measurement occasion. However, Krebs and Johansen state that retest effects disappear within 1 month, a statement based on a review of . . . [Full Text of this Article]
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RELATED LETTER
No Evidence of Decrease in Cognitive Function in Users of Low-Dose Ecstasy
Teri S. Krebs and Pål-Ørjan Johansen
Arch Gen Psychiatry. 2008;65(2):236.
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RELATED ARTICLE
Cognition in Novice Ecstasy Users With Minimal Exposure to Other Drugs: A Prospective Cohort Study
Thelma Schilt, Maartje M. L. de Win, Maarten Koeter, Gerry Jager, Dirk J. Korf, Wim van den Brink, and Ben Schmand
Arch Gen Psychiatry. 2007;64(6):728-736.
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