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Dorsal hippocampus represents locations to avoid as well as locations to approach during approach-avoidance conflict.
PLoS Biol
January 2025
Department of Neuroscience, University of Minnesota, Minneapolis, Minnesota, United States of America.
Worrying about perceived threats is a hallmark of multiple psychological disorders including anxiety. This concern about future events is particularly important when an individual is faced with an approach-avoidance conflict. Potential goals to approach are known to be represented in the dorsal hippocampus during theta cycles.
View Article and Find Full Text PDFBasal forebrain innervation of the amygdala: an anatomical and computational exploration.
Brain Struct Funct
January 2025
Behavioral Neuroscience Laboratory, Department of Psychology, Boğaziçi University, Bebek, 34342, Istanbul, Turkey.
Theta oscillations of the mammalian amygdala are associated with processing, encoding and retrieval of aversive memories. In the hippocampus, the power of the network theta oscillation is modulated by basal forebrain (BF) GABAergic projections. Here, we combine anatomical and computational approaches to investigate if similar BF projections to the amygdaloid complex provide an analogous modulation of local network activity.
View Article and Find Full Text PDFNeuronal theta oscillation of hippocampal ensemble and memory function.
Behav Brain Res
January 2025
Department of Neurology, Changzhi People's Hospital, Changzhi, 046000, Shanxi Province, China. Electronic address:
Memory is the ability to acquire and store information following an experience, which can be retrieved by related context exposure. Pioneering studies have demonstrated that sparsely distributed neuronal ensembles or engram cells can serve as neural substrates for storing and recalling memory traces. Many studies of neuronal ensembles have focused on the hippocampus, and increasing evidence has indicated that the neuronal oscillation is closely associated with hippocampal memory functions, including both encoding and retrieval processes.
View Article and Find Full Text PDFAlterations in brain activity and functional connectivity originating residual inhibition of tinnitus induced by tailor-made notched music training.
Hear Res
October 2024
School of Biomedical Engineering, Tsinghua University, Beijing, China; School of Medicine, Shanghai University, Shanghai, China. Electronic address:
Tinnitus arises from the intricate interplay of multiple, parallel but overlapping networks, involving neuroplastic changes in both auditory and non-auditory activity. Tailor-made notched music training (TMNMT) has emerged as a promising therapeutic approach for tinnitus. Residual inhibition (RI) represents one of the rare interventions capable of temporarily alleviating tinnitus, offering a valuable tool that can be applied to tinnitus research to explore underlying tinnitus mechanisms.
View Article and Find Full Text PDFSubthalamic nucleus oscillations during facial emotion processing and apathy in Parkinson's disease.
J Affect Disord
January 2025
Center for Functional Neurosurgery, Department of Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Electronic address:
Background: Parkinson's disease (PD) is primarily characterized by motor symptoms, but patients also experience a relatively high prevalence of non-motor symptoms, including emotional and cognitive impairments. While the subthalamic nucleus (STN) is a common target for deep brain stimulation to treat motor symptoms in PD, its role in emotion processing is still under investigation. This study examines the subthalamic neural oscillatory activities during facial emotion processing and its association with affective characteristics.
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