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My research is focused on understanding the functional and neural basis of two dimensions of memory functioning that lie at the opposite ends of the awareness spectrum. The first is implicit memory, or alterations in behavior that are not dependent on explicit awareness of a prior processing event. The second is metamemory: specifically, what is the basis for self-reflective evaluations of memory performance and how do these evaluations guide efforts at memory retrieval. The basic approach I have employed within each of these areas is to test well founded cognitive theories using several complimentary research methodologies including, (a) task dissociations in neurologically damaged patients and healthy controls, (b) human electro and magneto encephalograhic recordings (EEG and MEG), (c) functional Magnetic Resonance Imaging (fMRI), and (d) the multimodal integration of fMRI and MEG.
Selected Publications
Schnyer, D.M., Dobbins, I.G., Nicholls, L.D., & Verfaellie, M. (2006) Rapid response learning in amnesia: Delineating associative learning components in repetition priming. Neuropsychologia, 44, 140-149.
Ryan, L.T., & Schnyer, D.M. (In Press). Regional specificity of format specific priming effects in a word reading task using functional magnetic resonance imaging. Cerebral Cortex.
Schnyer, D.M., Nicholls, L.D., & Verfaellie, M. (2005). The role of VPMC in metamemorial judgments of content retrievability. Journal of Cognitive Neuroscience. 17, 832-846
Schacter, D.L., Dobbins, I.G., and Schnyer, D.M. (2004). Specificity of priming: A cognitive neuroscience perspective. Nature Neuroscience Reviews. 5, 853-62.
Dobbins, I.G., Schnyer, D.M., Verfaellie, M., & Schacter, D.L. (2004). Cortical activity reductions during repetition priming can result from rapid response learning. Nature, 428:6980, 316-319.
Schnyer, D.M., Verfaellie, M., Alexander, M.P., LaFleche, G., Nicholls, L., & Kaszniak, A.W. (2004). A Role for Right Medial Prefrontal Cortex in Accurate Feeling of Knowing Judgments: Evidence from Patients with Lesions to Frontal Cortex. Neuropsychologia, 42:7, 957-966.
Giovanello, K., Schnyer, D.M. & Verfaellie, M. (2004). Critical Role for the Anterior Hippocampus in Relational Memory: Evidence from a fMRI Study Comparing Associative and Item Recognition. Hippocampus, 14:1, 5-8.
Schnyer, D.M., Ryan, L.T., T.E. Trouard, & Forster, K.I. (2002). Masked word repetition results in increased fMRI signal: A framework for understanding signal changes in priming. NeuroReport, 13, 281-284.
Schnyer, D.M., Allen, J.J.B., Kaszniak, A.W. & Forster, K. (1999).An Event Related Potential Examination of Masked and Unmasked Repetition Priming in Alzheimer’s Disease: Implications for Theories of Implicit Memory. Neuropsychology, 13, 323 337.
Schnyer, D.M., Allen, J.J.B. & Forster, K. (1997). An Event Related Brain Potential Examination of Implicit Memory Processes: Masked and Unmasked Repetition Priming. Neuropsychology, 11, 243 260.
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