By B. Bontempi, Alcino J. Silva
ISBN-10: 3540456988
ISBN-13: 9783540456988
This quantity surveys the hot advances and supply an integrative view of molecular, mobile, and structures point mechanisms underlying cognitive approaches in either animals and people. present state-of-the-art and destiny avenues are mentioned through distinctive scientists who supply not just an summary of the underlying neurobiology of cognitive approaches from a simple technology perspective, yet who additionally specialise in scientific and healing facets surrounding impairments linked to problems that impact cognition.
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Extra resources for Memories. Molecules and Circuits
Example text
Achieving consensus about its neurophysiological correlates, however, has proven to be much more challenging, and despite its initial conceptualization more than a century ago, the concept and the neuronal mechanisms underlying the consolidation process continue to be hotly debated in the field of cognitive neuroscience. One must acknowledge that, over the years, considerable progress has been made in unraveling the neurobiological bases of memory consolidation. Functional brain imaging techniques in particular, along with genetic approaches in mice and traditional pharmacological and lesion approaches, have provided new breakthroughs in the identification of the different brain regions and neuronal networks supporting recent and remote memory storage.
Such laminar reorganization was consistent with the formation of cortical-cortical assemblies possibly constituting major sites of storage of encoded information, including the establishment Hippocampal-Cortical Interactions and Memory Consolidation 29 Fig. 4. System consolidation as revealed by functional brain imaging using the (14 C)2deoxyglucose autoradiographic technique in mice. The lower section of each panel shows a magnified view of the dorsal hippocampus (dHPC) that includes the CA1, CA3 and dentate gyrus (DG) regions.
Following acquisition of the task, animals were submitted to retention 28 B. Bontempi et al. testing either five days (recent memory) or 25 days (remote memory) later. The choice of these retention delays for testing recent and remote memory was made on the basis of previous observations concerning the length of the retrograde amnesia gradient observed in mice following restricted lesions to the entorhinal cortex (Cho et al. 1993). Intravenous injections of 2-deoxyglucose were carried out 1 min prior to each retention session.
Memories. Molecules and Circuits by B. Bontempi, Alcino J. Silva
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