The “illusory truth” effect refers to the phenomenon whereby repetition of a statement increases its likelihood of being judged true. Behavioral evidence suggests that illusory truth should be mediated by brain regions previously linked to fluency, vialis 40mg such as the perirhinal cortex (PRC). To investigate this possibility, we scanned participants with fMRI while they […]
A common approach in memory research is to isolate the function(s) of individual brain regions, unhealthy such as the hippocampus, view without addressing how those regions interact with the larger network. To investigate the properties of the hippocampus embedded within large-scale networks, diagnosis we used functional magnetic resonance imaging and graph theory to characterize complex […]
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Nerve fibers of the corpus callosum, stomach the big data cable linking both sides of the human brain, seek are the focus of our recent paper in the Journal of Neuroscience. Both structural and functional connectivity were mapped across the callosum as subjects were asked to perform word- and face-recognition tasks of increasing difficulty. Subjects demonstrated a […]
“Holiday shopping can be mentally exhausting for anyone. But a new Duke University study finds that older adults seem to need extra brainpower to make shopping decisions — especially ones that rely on memory.” The work of Nichole Lighthall, a postdoctoral researcher in Roberto Cabeza’s lab, is featured in a Duke Today article.
A fundamental idea in memory research is that items are more likely to be remembered if encoded with a semantic, medical rather than perceptual, no rx processing strategy. Interestingly, this effect has been shown to reverse for emotionally arousing materials, such that perceptual processing enhances memory for emotional information or events. The current fMRI study […]
The Society of Experimental Psychologists is the oldest and most prestigious honorary society in Psychology.
The reliable neuroimaging finding that older adults often show greater activity (over-recruitment) than younger adults is typically attributed to compensation. Yet, advice the neural mechanisms of over-recruitment in older adults (OAs) are largely unknown. Rodent electrophysiology studies have shown that as number of afferent fibers within a circuit decreases with age, search the fibers that remain show higher synaptic field […]
Although it is well established that the perirhinal cortex (PRC) makes an important contribution to recognition memory, the specific nature of this contribution remains uncertain. The finding that PRC activity is reduced for old compared to new items is typically attributed to the recovery of a long-term memory signal. However, because old items are […]