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Suppressing Unwanted Memories Summary

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The article, “Suppressing Unwanted Memories” from Volume 18, Issue 4 of Current Directions in Psychological Science, discussed the paradox between the human desire to overcome forgetfulness and yet exclude unwanted and unpleasant memories. For instance victims of dreadful tragedies, natural disasters, or combat, there is a great need to control these terrible intrusive images. This correlates with response overdrive in that “mechanisms necessary to stop automatic motor responses” (Anderson) are essential to achieve this. The lateral prefrontal cortex is critical in this task. Humans naturally inhibit undesired actions. Memories are triggered by “activation spreading from reminders that we encounter,” (Anderson) similar to the way actions are triggered. Ergo, the brain goes through much the same …show more content…

This was used to model a similar “think/no-think” example, to mimic situations where we prefer to keep memories from surfacing. Trials showed that “think” items were recalled more often than “no-think” items illustrating the total control effect in which an individual’s determination to control recovery moderates later memory. However, these tests also showed a negative control effect; when people try to avoid being reminded, the reminders themselves activate “inhibitory processes that impair memory”. (Anderson)
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People are able to control hippocampal activity influencing the holding of memories, contingent upon whether or not they desire to be reminded by a stimulus. However many factors may cause a person to be more susceptible to invasive memories such as ADHD, damage to the prefrontal cortex, or depression. Moreover, even if episodic memory is impaired, “conditioning and perceptual fluency associated with the experience may remain”, (Anderson) for example, producing fear of something without deliberately recalling

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