Parietal lobe contributions to episodic memory retrieval

Wagner, Anthony D.; Shannon, Benjamin J.; Kahn, Itamar; Buckner, Randy L.

doi:10.1016/j.tics.2005.07.001

Cited by 1,473 publications

(1,426 citation statements)

References 74 publications

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“…Parietal activity will therefore be brief if the time required to achieve recollection is brief, and it will be long if the time required to achieve recollection is long. Although exactly what processes the parietal activity represents unknown, we speculate (along with others) that it may reflect the actual matching of representations stored in memory with perceptual representations (Addis et al, 2006;Schnyer et al, 2005;Wagner et al, 2005).…”

Section: Discussionmentioning

confidence: 62%

The worth of pictures: Using high density event-related potentials to understand the memorial power of pictures and the dynamics of recognition memory

2007

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To understand the neural correlates of the memorial power of pictures, pictures and words were systematically varied at study and test within subjects, and high-density event-related potentials (ERPs) were recorded at retrieval. Using both conventional and novel methods, the results were presented as ERP waveforms, 50 ms scalp topographies, and video clips, and analyzed using t-statistic topographic maps and nonparametric p-value maps. The authors found that a parietally-based ERP component was enhanced

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Section: Discussionmentioning

confidence: 62%

The worth of pictures: Using high density event-related potentials to understand the memorial power of pictures and the dynamics of recognition memory

2007

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“…These three regions have been repeatedly reported to be involved in memory recall, be it semantic or episodic (Cavanna & Trimble, 2006;Dolan, Lane, Chua, & Fletcher, 2000;Graham, Lee, Brett, & Patterson, 2003;Lundstrom, Ingvar, & Petersson, 2005;Maguire & Mummery, 1999;Piefke, Weiss, Zilles, Markowitsch, & Fink, 2003;Wagner, Shannon, Kahn, & Buckner, 2005; see Table 1). …”

Section: The Cerebral Correlates Of Inferential Processing and Memorymentioning

confidence: 97%

What is self-specific? Theoretical investigation and critical review of neuroimaging results.

Legrand¹,

Ruby²

2009

Psychological Review

404

428

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The authors propose a paradigm shift in the investigation of the self. Synthesizing neuroimaging results from studies investigating the self, the authors first demonstrate that self-relatedness evaluation involves a wide cerebral network, labeled E-network, comprising the medial prefrontal cortex, precuneus, temporoparietal junction, and temporal poles. They further show that this E-network is also recruited during resting state, others' mind reading, memory recall, and reasoning. According to these data, (a) the profile of activation of the E-network demonstrates no preference for the self, and (b) the authors suggest that activity in this network can be explained by the involvement of cognitive processes common to all the tasks recruiting it: inferential processing and memory recall. On this basis, they conclude that standard ways to tackle the self by considering self-evaluation do not target the self in its specificity. Instead, they argue that self-specificity characterizes the subjective perspective, which is not intrinsically self-evaluative but rather relates any represented object to the representing subject. They further propose that such self-specific subject-object relation is anchored to the sensorimotor integration of efference with reafference (i.e., the motor command of the subject's action and its sensory consequence in the external world).

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“…fMRI Studies-Like ERP studies, research using fMRI has described neural processes that are reliably associated with memory retrieval (Buckner & Wheeler, 2001;Wagner, Shannon, Kahn, & Buckner, 2005). Unlike ERP research, fMRI techniques have the spatial resolution to better determine the neural regions producing these effects, albeit at a lower temporal resolution.…”

Section: Neuroimaging Studies Of Affect and Retrievalmentioning

confidence: 99%

“…The retrieval attempt, in which the participant mounts a strategic effort to remember, elicits activity in the PFC (Buckner & Wheeler, 2001). 6 Activity in the hippocampus (Eldridge, Knowlton, Furmanski, Bookheimer, & Engel, 2000;Henson et al, 1999) and the posterior parietal cortex (Wagner et al, 2005) correlates with successful retrieval. 7 Neural areas also track the retrieval of information across the different sensory domains differently, such that the recollection of a visual scene may result in the activity of visual cortices even in the absence of visual stimulation (M. E. Wheeler, Petersen, & Buckner, 2000).…”

Section: Extinction Learning In Humansmentioning

confidence: 99%

Retrieval of emotional memories.

Buchanan

2007

Psychological Bulletin

397

238

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Long-term memories are influenced by the emotion experienced during learning as well as by the emotion experienced during memory retrieval. The present article reviews the literature addressing the effects of emotion on retrieval, focusing on the cognitive and neurological mechanisms that have been revealed. The reviewed research suggests that the amygdala, in combination with the hippocampus and prefrontal cortex, plays an important role in the retrieval of memories for emotional events. The neural regions necessary for online emotional processing also influence emotional memory retrieval, perhaps through the reexperience of emotion during the retrieval process. Keywords emotion; memory; retrieval; amygdala; prefrontal cortex Retrieval of Emotional MemoriesMemories of our experiences are likely characterized by representations in the form of neuronal activity. Activity among a network of neurons represents a code for the experience of, say, a birthday party. When this network is activated by some cue that triggers a reexperience of that event, we are said to have recollected the birthday party. Emotional events are often remembered with greater accuracy and vividness (though these two characteristics do not always go together) than events lacking an emotional component (Reisberg & Hertel, 2005). This enhanced memory for emotional events has been attributed to interactions between the amygdala and other neural areas such as the hippocampus and prefrontal cortex (PFC) (Cahill & McGaugh, 1996). The amygdala is active during emotional situations, and this activity influences the encoding and consolidation of the memory trace for the emotional event (see LaBar & Cabeza, 2006;Phelps, 2004, for a review). These effects on the "front end" of memory (attention, encoding, the early stages of consolidation) have been well documented, but the influence of emotion and amygdala activity on memory retrieval has been more difficult to demonstrate. This difficulty is partly due to the fact that, by definition, an emotional event exerts its influence during the initial experience of the event. Understanding the influence of emotion on retrieval mechanisms could have utility in treating disorders of emotion and memory such as depression and posttraumatic stress disorder (PTSD; Davis & Whalen, 2001;Elzinga & Bremner, 2002), in which emotion may influence all phases of memory. Given that it is at the retrieval stage that the pathological effects of negative emotion are most often observed (Elzinga & Bremner, 2002;Williams & Scott, 1988), perhaps this is also where treatment may work most effectively. Recent work on the neurobiology of retrieval, extinction learning, and potential treatments for psychopathology highlight the broad influence that emotion exerts on memory retrieval mechanisms. In this review, I examine this influence and discuss the applications of this work across many areas of psychology.Correspondence concerning this article should be addressed to Tony W. Buchanan, who is now at the Department of Psychology...

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Parietal lobe contributions to episodic memory retrieval

Cited by 1,473 publications

References 74 publications

The worth of pictures: Using high density event-related potentials to understand the memorial power of pictures and the dynamics of recognition memory

The worth of pictures: Using high density event-related potentials to understand the memorial power of pictures and the dynamics of recognition memory

What is self-specific? Theoretical investigation and critical review of neuroimaging results.

Retrieval of emotional memories.

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