Journal ArticleDOI
Memory--a century of consolidation.
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This review examines the progress made over the century in understanding the time-dependent processes that create the authors' lasting memories.Abstract:
The memory consolidation hypothesis proposed 100 years ago by Muller and Pilzecker continues to guide memory research. The hypothesis that new memories consolidate slowly over time has stimulated studies revealing the hormonal and neural influences regulating memory consolidation, as well as molecular and cellular mechanisms. This review examines the progress made over the century in understanding the time-dependent processes that create our lasting memories.read more
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Rhythms of the brain
TL;DR: The brain's default state: self-organized oscillations in rest and sleep, and perturbation of the default patterns by experience.
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Neurocircuitry of Addiction
George F. Koob,Nora D. Volkow +1 more
TL;DR: The delineation of the neurocircuitry of the evolving stages of the addiction syndrome forms a heuristic basis for the search for the molecular, genetic, and neuropharmacological neuroadaptations that are key to vulnerability for developing and maintaining addiction.
Journal ArticleDOI
Contributions of the Amygdala to Emotion Processing: From Animal Models to Human Behavior
TL;DR: Five major research topics are highlighted that illustrate parallel roles for the amygdala in humans and other animals, including implicit emotional learning and memory, emotional modulation of memory,otional influences on attention and perception, emotion and social behavior, and emotion inhibition and regulation.
Journal ArticleDOI
Drug addiction, dysregulation of reward, and allostasis.
George F. Koob,Michel Le Moal +1 more
TL;DR: The view that addiction is the pathology that results from an allostatic mechanism using the circuits established for natural rewards provides a realistic approach to identifying the neurobiological factors that produce vulnerability to addiction and relapse.
Journal ArticleDOI
Fear memories require protein synthesis in the amygdala for reconsolidation after retrieval
TL;DR: It is shown that consolidated fear memories, when reactivated during retrieval, return to a labile state in which infusion of anisomycin shortly after memory reactivation produces amnesia on later tests, regardless of whether reactivation was performed 1 or 14 days after conditioning.
References
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Journal ArticleDOI
Loss of recent memory after bilateral hippocampal lesions.
TL;DR: The results of these studies point to the importance of the hippocampal complex for normal memory function in patients who had undergone similar, but less radical, bilateral medial temporallobe resections, and as a warning to others of the risk to memory involved in bilateral surgical lesions of the hippocampusal region.
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Why there are complementary learning systems in the hippocampus and neocortex: insights from the successes and failures of connectionist models of learning and memory.
TL;DR: The account presented here suggests that memories are first stored via synaptic changes in the hippocampal system, that these changes support reinstatement of recent memories in the neocortex, that neocortical synapses change a little on each reinstatement, and that remote memory is based on accumulated neocorticals changes.
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Long-Term Potentiation--A Decade of Progress?
TL;DR: A simple model is described that unifies much of the data that previously were viewed as contradictory about the molecular mechanisms of this long-lasting increase in synaptic strength in the hippocampus.
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Modality-specific retrograde amnesia of fear.
TL;DR: The results indicate that fear memory is not a single process and that the hippocampus may have a time-limited role in associative fear memories evoked by polymodal (contextual) but not unimodal (tone) sensory stimuli.