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PrefrontalTemporal Circuitry for Episodic Encoding and Subsequent Memory

Summary: Prefrontal­Temporal Circuitry for Episodic Encoding and
Subsequent Memory
Brenda A. Kirchhoff,1 Anthony D. Wagner,2,3 Anat Maril,4 and Chantal E. Stern1,3
1Department of Psychology, Boston University, Boston, Massachusetts 02215, 2Department of Brain and Cognitive
Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, 3Massachusetts General Hospital
Nuclear Magnetic Resonance Center, Charlestown, Massachusetts 02129, and 4Department of Psychology, Harvard
University, Cambridge, Massachusetts 02138
Humans encounter and form memories for multiple types of
experiences that differ in content, novelty, and memorability.
Critical for understanding memory is determining (1) how the
brain supports the encoding of events with differing content and
(2) whether neural regions that are sensitive to novelty also
influence whether stimuli will be subsequently remembered. This
event-related functional magnetic resonance imaging (fMRI)
study crossed content (picture/word), novelty (novel/repeated),
and subsequent memory (remembered/forgotten) to examine
prefrontal and temporal lobe contributions to encoding. Results
revealed three patterns of encoding-related activation in anatom-
ically connected inferior prefrontal and lateral temporal structures
that appeared to vary depending on whether visuospatial/visuo-


Source: Anat, Maril, - Departments of Psychology & Cognitive Science, Hebrew University of Jerusalem
Wagner, Anthony - Department of Psychology, Stanford University


Collections: Biology and Medicine