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Use of pattern recognition in photoacoustic imaging to identify neuronal ensembles in the prefrontal cortex of rats undergoing conditioned fear learning.
Photoacoustics
February 2025
Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL, United States.
Pattern recognition analysis in brain research has improved understanding of sensory processing and led to the identification of default brain networks in neuroimaging studies. The current study uses pattern recognition analysis to extend our previous findings showing conditioned fear learning and novelty-exposure (i.e.
View Article and Find Full Text PDFInter-Network Effective Connectivity During Emotional Working Memory Task in two independent samples of young adults.
Biol Psychiatry Cogn Neurosci Neuroimaging
January 2025
Department of Psychiatry, University of Pittsburgh School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
Background: Effective connectivity (EC) analysis provides valuable insights into the directionality of neural interactions, crucial for understanding the mechanisms underlying cognitive and emotional regulation in depressive and anxiety disorders. This study examined EC within key neural networks during working memory (WM) and emotional regulation (ER) tasks in young adults, both healthy and seeking help from mental health professionals for emotional distress.
Methods: Dynamic Causal Modeling (DCM) was employed to analyze EC in two independent samples (n=97 and n=94).
Left ventromedial prefrontal cortex inhibitory rTMS as an anti-stress intervention in opioid use disorder: Trial design.
Contemp Clin Trials Commun
February 2025
Dept. of Psychiatry and Behavioral Neurosciences, School of Medicine, Wayne State University, Detroit, MI, USA.
Background: In people with substance use disorders (SUDs), stress-exposure can impair executive function, and increase craving and likelihood of drug-use recurrence. Research shows that acute stressors increase drug-seeking behavior; however, mechanisms underlying this effect are incompletely understood. The Competing Neurobehavioral Decisions System theory posits that persons with SUDs may have hyperactive limbic reward circuitry and hypoactive executive control circuitry.
View Article and Find Full Text PDFModulation mode of amygdala morphology and cognitive function under acute sleep deprivation in healthy male.
Sleep Med
January 2025
School of Psychology, Northwest Normal University, Lanzhou, Gansu, China. Electronic address:
The amygdala plays a crucial role in various behavioral functions and psychiatric conditions, with its morphology showing alterations in sleep disorders. While the impact of chronic sleep disorders on amygdala morphology has been studied, the effects of acute sleep deprivation (ASD) remain largely unexplored. The present study aimed to investigate the modulation between amygdala sub-region volumes and spatial working memory (SWM) performance under ASD conditions.
View Article and Find Full Text PDFNeuroinflammatory Loop in Schizophrenia, Is There a Relationship with Symptoms or Cognition Decline?
Int J Mol Sci
January 2025
Departamento de Ciencias Biológicas y Químicas, Facultad De Medicina y Ciencia, Universidad San Sebastián, Sede Tres Pascualas Lientur 1457, Concepción 4080871, Chile.
Schizophrenia (SZ), a complex psychiatric disorder of neurodevelopment, is characterised by a range of symptoms, including hallucinations, delusions, social isolation and cognitive deterioration. One of the hypotheses that underlie SZ is related to inflammatory events which could be partly responsible for symptoms. However, it is unknown how inflammatory molecules can contribute to cognitive decline in SZ.
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