The short and long of it: neural correlates of temporal-order memory for autobiographical events.
Abstract
Previous functional neuroimaging studies of temporal-order memory have investigated
memory for laboratory stimuli that are causally unrelated and poor in sensory detail.
In contrast, the present functional magnetic resonance imaging (fMRI) study investigated
temporal-order memory for autobiographical events that were causally interconnected
and rich in sensory detail. Participants took photographs at many campus locations
over a period of several hours, and the following day they were scanned while making
temporal-order judgments to pairs of photographs from different locations. By manipulating
the temporal lag between the two locations in each trial, we compared the neural correlates
associated with reconstruction processes, which we hypothesized depended on recollection
and contribute mainly to short lags, and distance processes, which we hypothesized
to depend on familiarity and contribute mainly to longer lags. Consistent with our
hypotheses, parametric fMRI analyses linked shorter lags to activations in regions
previously associated with recollection (left prefrontal, parahippocampal, precuneus,
and visual cortices), and longer lags with regions previously associated with familiarity
(right prefrontal cortex). The hemispheric asymmetry in prefrontal cortex activity
fits very well with evidence and theories regarding the contributions of the left
versus right prefrontal cortex to memory (recollection vs. familiarity processes)
and cognition (systematic vs. heuristic processes). In sum, using a novel photo-paradigm,
this study provided the first evidence regarding the neural correlates of temporal-order
for autobiographical events.
Type
Journal articleSubject
AdolescentAdult
Autobiography as Topic
Brain
Brain Mapping
Female
Functional Laterality
Humans
Image Processing, Computer-Assisted
Magnetic Resonance Imaging
Male
Mental Recall
Oxygen
Photic Stimulation
Reaction Time
Recognition (Psychology)
Space Perception
Time Factors
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https://hdl.handle.net/10161/10089Published Version (Please cite this version)
10.1162/jocn.2008.20091Publication Info
St Jacques, Peggy; Rubin, David C; LaBar, Kevin S; & Cabeza, Roberto (2008). The short and long of it: neural correlates of temporal-order memory for autobiographical
events. J Cogn Neurosci, 20(7). pp. 1327-1341. 10.1162/jocn.2008.20091. Retrieved from https://hdl.handle.net/10161/10089.This is constructed from limited available data and may be imprecise. To cite this
article, please review & use the official citation provided by the journal.
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Show full item recordScholars@Duke
Roberto Cabeza
Professor of Psychology and Neuroscience
My laboratory investigates the neural correlates of memory and cognition in young
and older adults using fMRI. We have three main lines of research: First, we distinguish
the neural correlates of various episodic memory processes. For example, we have compared
encoding vs. retrieval, item vs. source memory, recall vs. recognition, true vs. false
memory, and emotional vs. nonemotional memory. We are particularly interested in the
contribution of prefrontal cortex (PFC) and medial temporal lobe (M
Kevin S. LaBar
Professor of Psychology and Neuroscience
My research focuses on understanding how emotional events modulate cognitive processes
in the human brain. We aim to identify brain regions that encode the emotional properties
of sensory stimuli, and to show how these regions interact with neural systems supporting
social cognition, executive control, and learning and memory. To achieve this goal,
we use a variety of cognitive neuroscience techniques in human subject populations.
These include psychophysiological monitoring, functional magnetic
David C. Rubin
Juanita M. Kreps Distinguished Professor of Psychology and Neuroscience
For .pdfs of all publications click here My main research interest has been in
long-term memory, especially for complex (or "real-world") stimuli. This work includes
the study of autobiographical memory and oral tra
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