نتایج جستجو برای: reconsolidation
تعداد نتایج: 966 فیلتر نتایج به سال:
BACKGROUND Memory reconsolidation is the direct effect of memory reactivation followed by stabilization of newly synthesized proteins. It has been well proven that neural encoding of both newly and reactivated memories requires synaptic plasticity. Brain derived neurotrophic factor (BDNF) has been extensively investigated regarding its role in the formation of synaptic plasticity and in the alt...
In studies of behavioral reconsolidation interference, reactivation of a consolidated memory using some form of reminder is followed by the presentation of new information that can cause interference with that memory. Under these conditions, the interference not only impairs retrieval by indirect processes such as cue interference, but supposedly disrupts the original memory trace directly. Alm...
Blocking memory reconsolidation reverses memory-associated changes in glutamate receptor expression.
It has been reported that consolidated memories can return to a labile state when reactivated and undergo a process of re-storage, termed reconsolidation, required for later recall. We investigated memory for a nonassociative learning task (habituation) and found that memory for this task also undergoes reconsolidation after recall. To investigate reconsolidation, we first demonstrated that adu...
BACKGROUND Posttraumatic stress disorder (PTSD) is associated with enhanced noradrenergic activity. Animal and human studies demonstrate that noradrenergic stimulation augments consolidation of fear learning. Retrieval of well-established memories by presenting a learned fear cue triggers reconsolidation processes during which memories may be updated, weakened, or strengthened. We previously re...
Previously consolidated memories may become labile when they are reactivated and require reconsolidation. It has been suggested that when novel information is present at the time of memory reactivation reconsolidation is engaged but when no new information is present, reconsolidation may not occur, and extinction may be the dominant process instead. To test this idea we trained rats to associat...
Abstract Objectives Autobiographical memory (AM) is linked to the construct of self, which influenced by mindfulness training. Furthermore, both self-reference and AM can be affected psychopathological conditions, such as depression. This article offers a critical review with systematic search studies using different paradigms investigate effects training on AM, well relationships between trait...
Lane et al. propose an integrative model for the reconsolidation of traces in their timely and impressive article. This commentary draws attention to trade-offs between accuracy and self-narrative integrity in the model. The trade-offs concern the sense of agency in memory and its role in both implicit and explicit memory reconsolidation, rather than balances concerning degrees of emotional aro...
Retrieval labilizes memory traces and these gates two protein synthesis-dependent processes in the brain: extinction, which inhibits further retrieval, and reconsolidation, which may enhance retrieval or change its content. Extinction may itself suffer reconsolidation. Interactions among these processes may be applied to treatments of fear memories, such as those underlying post-traumatic stres...
The theory of memory reconsolidation argues that consolidated memory is not unchangeable. Once a memory is reactivated it may go back into an unstable state and need new protein synthesis to be consolidated again, which is called "memory reconsolidation". Boundary studies have shown that interfering with reconsolidation through pharmacologic or behavioral intervention can lead to the updating o...
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