Australian Natural Bodz - - Health, Sex & Longevity -

An hour-long nap may im­prove as­so­cia­tive mem­ory per­for­mance. As­so­cia­tive mem­ory is a mem­ory of a past event or place that oc­curs by re­call­ing some­thing as­so­ci­ated with it. As­so­cia­tive mem­ory also refers to re­trieval of a mem­ory in re­la­tion to the pre­sen­ta­tion of an as­so­ci­ated stim­u­lus of it. Sara Studte, from Saar­land Univer­sity (Ger­many), and col­leagues en­rolled 41 adult stu­dents in a study in which each par­tic­i­pant learned sin­gle words and word pairs. Once the learn­ing phase was over, the sub­jects were tested to deter­mine how much in­for­ma­tion they could re­mem­ber. About half of the par­tic­i­pants were then al­lowed to take a nap (90 min­utes du­ra­tion), while the oth­ers watched a DVD. Af­ter­wards, all sub­jects were retested. The par­tic­i­pants who took a nap were shown to have re­tained sub­stan­tially more word pairs in mem­ory, as com­pared to the sub­jects who watched a DVD and did not nap. Ref­er­ence: Sara Studte, Emma Bridger, Axel Meck­linger. “Nap sleep pre­serves as­so­cia­tive but not item mem­ory per­for­mance.” Neu­ro­bi­ol­ogy of Learn­ing and Mem­ory, Vol­ume 120, April 2015, Pages 84-93.

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