Methamphetamine: Research Aims to Disrupt Drug-Associated Memories

MedicalResearch.com Interview with:

Ph.D., Neurobiology & Behavior and Center for the Neurobiology of Learning & Memory (2005), University of California, Irvine, CaliforniaCourtney A. Miller, PhD
Assistant Professor
Department of Metabolism & Aging
Department of Neuroscience
The Scripps Research Institute
Jupiter, FL 33458


MedicalResearch.com: What are the main findings of the study?

Dr. Miller: The relapse rate for drug abusers, smokers and alcoholics is high because abstinence is so difficult. A major factor is the craving that drug associations can trigger. These range from seeing the neighborhood where someone used to buy, in the case of illicit drugs, to social drinking for a smoker. We’ve found a way to disrupt these drug-associated memories without affecting other, more benign memories.
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Intrusive Memories found more commonly during 3rd week of Menstrual cycle

Dr Sunjeev Kamboj

Lecturer in Clinical Psychology
Co-ordinator for International DClinPsy Trainees
http://www.ucl.ac.uk/clinical-psychology/index.htm

MedicalResearch.com: What are the main findings of the study?

Dr. Kamboj: Using a fairly standard approach for this type of research, we measured the frequency of intrusive memories in normal, healthy women after they watched a series of video clips containing distressing scenes. We also measured baseline levels of progesterone and estrogen. We tested three groups of women who, while similar in all respects such age, education level, as well as how they responded to the film, differed in terms of the stage of the menstrual cycle they were in.

Our key finding was that women in the ‘early luteal phase’ – which occurs in the third week of the cycle – had three times as many intrusive memories about the video than women in the first two weeks or fourth week of the cycle.

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Interpolated memory tests reduce mind wandering and improve learning of online lectures


Karl K. Szpunar PhD Department of Psychology, Harvard University, Cambridge, MA 02138MedicalResearch.com Interview with Karl K. Szpunar PhD

Department of Psychology,
Harvard University, Cambridge, MA 02138

MedicalResearch.com:   What are the main findings of the study?

Dr. Szpunar: The results of our experiments demonstrate that students can have difficulty paying attention to online lectures, and that including brief quizzes during lectures can help to alleviate this problem. Specifically, we found that students who were tested throughout a 21-minute long Statistics lecture were half as likely to mind wander during the lecture, three times as likely to take additional notes, and much better able to retain the contents of the lecture at a later time.
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