Negative / Null Result ReportOpen accessNeuroscience
Christopher J. Wertz, Faith M Hanlon, Nicholas A. Shaff et al. · 2018 · Schizophrenia Bulletin
Inhibitory failure represents a core dysfunction in patients with schizophrenia (SP), which has predominantly been tested in the literature using reactive (ie, altering behavior after a stimulus) rather than proactive (ie, purposefully…
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David Giguere, Daniel J. Dickson, Michelle K. Tulloch et al. · 2021 · Journal of Experimental Child Psychology
Evidence is mixed regarding whether and why bilingual children might be advantaged in the development of executive functions. Five preregistered hypotheses regarding sources of a bilingual advantage were tested with data from 102 Spanish-English bilingual children and 25 English monolingual children who were administered a test of executive attention, the flanker task, at 7, 8, and 9 years of age. Measures of the children's early and concurrent bilingual exposure and their concurrent English and Spanish skill were available from a larger longitudinal study in which these children participated.
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Nicholas Murphy, Alison Killen, Rajnish Kumar Gupta et al. · 2021 · Frontiers in Neurology
Visual hallucinations (VH) are a common symptom of Parkinson's disease with dementia (PDD), affecting up to 65% of cases. Integrative models of their etiology posit that a decline in executive control of the visuo-perceptual system is a primary mechanism of VH generation. The role of bottom-up processing in the manifestation of VH in this condition is still not clear although visual evoked potential (VEP) differences have been associated with VH at an earlier stage of PD. Here we compared the amplitude and latency pattern reversal VEPs in healthy controls ( n = 21) and PDD patients ( n = 34) w
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Stefania Piscopo, Euan R. Brown · 2018 · Small
Abstract Membrane–nanoparticle interactions are important in determining the effects of manufactured nanomaterials on cell physiology and pathology. Here, silica, titanium, zinc, and magnesium oxide nanoparticles are screened against human…
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Brent A Bushey, Victor H Auld, John E Volk et al. · 2011 · PubMed
This study examined whether combining lipid emulsion and advanced cardiac life support (ACLS) improves survival in an unanesthetized swine model of bupivacaine- and hypoxia-induced cardiovascular collapse. Arterial and venous catheters and…
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Yanyu Bao, Guoying Miao, Nannan He et al. · 2026 · Biology
Mitochondrial dysfunction is a key early pathological process in neurodegenerative diseases (NDs), leading to oxidative stress, impaired energy metabolism, and neuronal apoptosis prior to the onset of clinical symptoms. Although mitochondria represent important therapeutic targets, effective interventions targeting mitochondrial function remain limited. This review summarizes current evidence regarding the mechanisms by which melatonin protects mitochondria and evaluates its therapeutic relevance, with a primary focus on Alzheimer's disease, Parkinson's disease, and Huntington's disease-the ma
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Eldad Keha, Hadar Naftalovich, Ariel Shahaf et al. · 2024 · Cognition & Emotion
The current investigation examined the bidirectional effects of cognitive control and emotional control and the overlap between these two systems in regulating emotions. Based on recent neural and cognitive findings, we hypothesised that…
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Surya Prakash, Aritra Das, Sidrat Tasawoor Kanth et al. · 2021 · Cerebral Cortex
Local field potentials (LFPs) in visual cortex are reliably modulated when the subject's focus of attention is cued into versus out of the receptive field of the recorded sites, similar to modulation of spikes. However, human psychophysics…
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Valdemar Brimnes Ingemann Johansen, Anna Katrina Jógvansdóttir Gradel, Stephanie Kjærulff Holm et al. · 2025 · Cell Reports Medicine
Liver-expressed antimicrobial peptide 2 (LEAP2) is an endogenous antagonist and inverse agonist of the ghrelin receptor, countering ghrelin's effects on cell signaling and feeding. However, despite an emerging interest in LEAP2's…
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Diane Pecher, Heleen van Mierlo, Rouwen Cañal‐Bruland et al. · 2015 · Journal of Experimental Psychology General
Slepian, Masicampo, Toosi, and Ambady (2012, Experiment 1) reported that participants who recalled a big secret estimated a hill as steeper than participants who recalled a small secret. This finding was interpreted as evidence that…
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Magdalena Sabat, Bartosz Haładus, Michał Klincewicz et al. · 2022 · Scientific Reports
The perceived duration of an interval depends on numerous aspects of the passed event both endogenous, including physiological arousal, level of wakefulness, attention, and surprise, as well as exogenous such as valence, salience, or context in the environment. There is some evidence that "time-giving" cues from the environment (zeitgebers) are coupled with time perception. The movement of the sun on the horizon was demonstrated to affect interval perception in a study conducted by Schatzschneider et al. (2016) claiming that the sun's motion is a zeitgeber that influences time perception. In t
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Nikoletta Symeonidou, Beatrice G. Kuhlmann · 2021 · Cognition & Emotion
Emotion-enhanced memory (EEM) describes the robust memory advantage of emotional over non-emotional stimuli. While extensively investigated with emotional items, it is unclear whether the EEM effect extends to source memory for a neutral…
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Amanda Zieselman, Jonathan Fisher, Ting Hu et al. · 2014 · BioData Mining
BACKGROUND: Alzheimer's disease is the most common form of progressive dementia and there is currently no known cure. The cause of onset is not fully understood but genetic factors are expected to play a significant role. We present here a bioinformatics approach to the genetic analysis of grey matter density as an endophenotype for late onset Alzheimer's disease. Our approach combines machine learning analysis of gene-gene interactions with large-scale functional genomics data for assessing biological relationships. RESULTS: We found a statistically significant synergistic interaction among t
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