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What is Learned Determines How Pavlovian Conditioned Fear is Consolidated in the Brain

Author(s): Leake J; Leidl DM; Lay BPP; Fam JP; Giles MC; Qureshi OA; Westbrook RF; Holmes NM;

Activity in the basolateral amygdala complex (BLA) is needed to encode fears acquired through contact with both innate sources of danger (i.e., things that are painful) and learned sources of danger (e.g., being threatened with a gun). However, within the BLA, the molecular processes required to consolidate the two types of fear are not the same: protein ...

Article GUID: 37963767


Slow oscillation-spindle cross-frequency coupling predicts overnight declarative memory consolidation in older adults

Author(s): Oren M Weiner

Cross-frequency coupling (CFC) between brain oscillations during non-rapid-eye-movement (NREM) sleep (e.g. slow oscillations [SO] and spindles) may be a neural mechanism of overnight memory consolidation. Declines in CFC across the lifespan might accompany coinciding memory problems with ageing. However, there are few reports of CFC changes during sleep a ...

Article GUID: 37002805


Danger Changes the Way the Brain Consolidates Neutral Information; and Does So by Interacting with Processes Involved in the Encoding of That Information

Author(s): Omar A Qureshi

This study examined the effect of danger on consolidation of neutral information in two regions of the rat (male and female) medial temporal lobe: the perirhinal cortex (PRh) and basolateral amygdala complex (BLA). The neutral information was the association that forms between an auditory stimulus and a visual stimulus (labeled S2 and S1) across their pai ...

Article GUID: 36927572


Sleep affects higher-level categorization of speech sounds, but not frequency encoding

Author(s): Chapelle A; Savard MA; Restani R; Ghaemmaghami P; Thillou N; Zardoui K; Chandrasekaran B; Coffey EBJ;

Sleep can increase consolidation of new knowledge and skills. It is less clear whether sleep plays a role in other aspects of experience-dependent neuroplasticity, which underlie important human capabilities such as spoken language processing. Theories of sensory learning differ in their predicti ...

Article GUID: 35732089


Sigma oscillations protect or reinstate motor memory depending on their temporal coordination with slow waves

Author(s): Nicolas J; King BR; Levesque D; Lazzouni L; Coffey EBJ; Swinnen S; Doyon J; Carrier J; Albouy G;

Targeted memory reactivation (TMR) during post-learning sleep is known to enhance motor memory consolidation but the underlying neurophysiological processes remain unclear. Here, we confirm the beneficial effect of auditory TMR on motor performance. At the neural level, TMR enhanced slow wave (SW ...

Article GUID: 35726850


Different Patterns of Sleep-Dependent Procedural Memory Consolidation in Vipassana Meditation Practitioners and Non-meditating Controls.

Author(s): Solomonova E, Dubé S, Blanchette-Carrière C, Sandra DA, Samson-Richer A, Carr M, Paquette T, Nielsen T

Front Psychol. 2019;10:3014 Authors: Solomonova E, Dubé S, Blanchette-Carrière C, Sandra DA, Samson-Richer A, Carr M, Paquette T, Nielsen T

Article GUID: 32038390


Cortical reactivations during sleep spindles following declarative learning.

Author(s): Jegou A, Schabus M, Gosseries O, Dahmen B, Albouy G, Desseilles M, Sterpenich V, Phillips C, Maquet P, Grova C, Dang-Vu TT

Neuroimage. 2019 Jul 15;195:104-112 Authors: Jegou A, Schabus M, Gosseries O, Dahmen B, Albouy G, Desseilles M, Sterpenich V, Phillips C, Maquet P, Grova C, Dang-Vu TT

Article GUID: 30928690


Consolidation alters motor sequence-specific distributed representations.

Author(s): Pinsard B, Boutin A, Gabitov E, Lungu O, Benali H, Doyon J

Elife. 2019 Mar 18;8: Authors: Pinsard B, Boutin A, Gabitov E, Lungu O, Benali H, Doyon J

Article GUID: 30882348


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