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Frontiers in Behavioral Neuroscience

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https://www.readbyqxmd.com/read/28725189/inversion-reveals-perceptual-asymmetries-in-the-configural-processing-of-human-body
#1
Daniele Marzoli, Chiara Lucafò, Caterina Padulo, Giulia Prete, Laura Giacinto, Luca Tommasi
Ambiguous human bodies performing unimanual/unipedal actions are perceived more frequently as right-handed/footed rather than left-handed/footed, which suggests a perceptual and attentional bias toward the right side of others' body. A bias toward the right arm of human bodies could be adaptive in social life, most social interactions occurring with right-handed individuals, and the implicit knowledge that the dominant hand of humans is usually placed on their right side might also be included in body configural information...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28725188/using-virtual-reality-to-assess-ethical-decisions-in-road-traffic-scenarios-applicability-of-value-of-life-based-models-and-influences-of-time-pressure
#2
Leon R Sütfeld, Richard Gast, Peter König, Gordon Pipa
Self-driving cars are posing a new challenge to our ethics. By using algorithms to make decisions in situations where harming humans is possible, probable, or even unavoidable, a self-driving car's ethical behavior comes pre-defined. Ad hoc decisions are made in milliseconds, but can be based on extensive research and debates. The same algorithms are also likely to be used in millions of cars at a time, increasing the impact of any inherent biases, and increasing the importance of getting it right. Previous research has shown that moral judgment and behavior are highly context-dependent, and comprehensive and nuanced models of the underlying cognitive processes are out of reach to date...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28725187/lack-of-associations-between-female-hormone-levels-and-visuospatial-working-memory-divided-attention-and-cognitive-bias-across-two-consecutive-menstrual-cycles
#3
Brigitte Leeners, Tillmann H C Kruger, Kirsten Geraedts, Enrico Tronci, Toni Mancini, Fabian Ille, Marcel Egli, Susanna Röblitz, Lanja Saleh, Katharina Spanaus, Cordula Schippert, Yuangyuang Zhang, Michael P Hengartner
Background: Interpretation of observational studies on associations between prefrontal cognitive functioning and hormone levels across the female menstrual cycle is complicated due to small sample sizes and poor replicability. Methods: This observational multisite study comprised data of n = 88 menstruating women from Hannover, Germany, and Zurich, Switzerland, assessed during a first cycle and n = 68 re-assessed during a second cycle to rule out practice effects and false-positive chance findings. We assessed visuospatial working memory, attention, cognitive bias and hormone levels at four consecutive time-points across both cycles...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28706477/response-commentary-the-brain-basis-for-misophonia
#4
COMMENT
Sukhbinder Kumar, Timothy D Griffiths
No abstract text is available yet for this article.
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28706476/long-term-sex-dependent-vulnerability-to-metabolic-challenges-in-prenatally-stressed-rats
#5
Pamela Panetta, Alessandra Berry, Veronica Bellisario, Sara Capoccia, Carla Raggi, Alessia Luoni, Linda Longo, Marco A Riva, Francesca Cirulli
Prenatal stress (PNS) might affect the developmental programming of adult chronic diseases such as metabolic and mood disorders. The molecular mechanisms underlying such regulations may rely upon long-term changes in stress-responsive effectors such as Brain-Derived Neurotrophic Factor (BDNF) that can affect neuronal plasticity underlying mood disorders and may also play a role in metabolic regulation. Based upon previous data, we hypothesized that PNS might lead to greater vulnerability to an obesogenic challenge experienced at adulthood...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28701932/functional-connectivity-differences-in-the-insular-sub-regions-in-migraine-without-aura-a-resting-state-functional-magnetic-resonance-imaging-study
#6
Zhi-Bo Yu, Yan-Bing Lv, Ling-Heng Song, Dai-Hong Liu, Xue-Ling Huang, Xin-Yue Hu, Zhi-Wei Zuo, Yao Wang, Qian Yang, Jing Peng, Zhen-Hua Zhou, Hai-Tao Li
Objective: The objective of this study was to investigate resting-state functional connectivity (FC) differences in insular sub-regions during the interictal phase in patients with migraine without aura (MWoA). Methods: Forty-nine MWoA patients (MWoA group) and 48 healthy individuals (healthy control group) were recruited for this study. All of the subjects underwent neurological examination and magnetic resonance imaging (MRI). The MRI data were processed using Brat 1.0 software to obtain a whole-brain FC diagram and using Rest 1...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28694774/memory-performance-for-everyday-motivational-and-neutral-objects-is-dissociable-from-attention
#7
Judith Schomaker, Bianca C Wittmann
Episodic memory is typically better for items coupled with monetary reward or punishment during encoding. It is yet unclear whether memory is also enhanced for everyday objects with appetitive or aversive values learned through a lifetime of experience, and to what extent episodic memory enhancement for motivational and neutral items is attributable to attention. In a first experiment, we investigated attention to everyday motivational objects using eye-tracking during free-viewing and subsequently tested episodic memory using a remember/know procedure...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28690502/serotonin-5-httlpr-genotype-modulates-reactive-visual-scanning-of-social-and-non-social-affective-stimuli-in-young-children
#8
Antonios I Christou, Yvonne Wallis, Hayley Bair, Maurice Zeegers, Joseph P McCleery
Previous studies have documented the 5-HTTLPR polymorphisms as genetic variants that are involved in serotonin availability and also associated with emotion regulation and facial emotion processing. In particular, neuroimaging and behavioral studies of healthy populations have produced evidence to suggest that carriers of the Short allele exhibit heightened neurophysiological and behavioral reactivity when processing aversive stimuli, particularly in brain regions involved in fear. However, an additional distinction has emerged in the field, which highlights particular types of fearful information, i...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28680396/botulinum-neurotoxin-a-injected-ipsilaterally-or-contralaterally-into-the-striatum-in-the-rat-6-ohda-model-of-unilateral-parkinson-s-disease-differently-affects-behavior
#9
Veronica A Antipova, Carsten Holzmann, Oliver Schmitt, Andreas Wree, Alexander Hawlitschka
Parkinson's disease (PD) is one of the most frequent neurodegenerative disorders. The loss of dopaminergic neurons in the substantia nigra leads to a disinhibition of cholinergic interneurons in the striatum. Pharmacotherapeutical strategies of PD-related hypercholinism have numerous adverse side effects. We previously showed that ipsilateral intrastriatal injections of 1 ng in unilaterally 6-hydroxydopamine (6-OHDA)-lesioned rats inhibit apomorphine-induced rotation behavior significantly up to 6 months. In this study, we extended the behavioral testing of ipsilateral botulinum neurotoxin A (BoNT-A)-injection and additionally investigated the impact of intrastriatal BoNT-A-injections contralateral to the 6-OHDA-lesioned hemisphere on the basal ganglia circuity and motor functions...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28676746/regulation-of-fear-extinction-in-the-basolateral-amygdala-by-dopamine-d2-receptors-accompanied-by-altered-glur1-glur1-ser845-and-nr2b-levels
#10
Yan-Wei Shi, Bu-Fang Fan, Li Xue, Jia-Ling Wen, Hu Zhao
The amygdala, a critical structure for both Pavlovian fear conditioning and fear extinction, receives sparse but comprehensive dopamine innervation and contains dopamine D1 and D2 receptors. Fear extinction, which involves learning to suppress the expression of a previously learned fear, appears to require the dopaminergic system. The specific roles of D2 receptors in mediating associative learning underlying fear extinction require further study. Intra-basolateral amygdala (BLA) infusions of a D2 receptor agonist, quinpirole, and a D2 receptor antagonist, sulpiride, prior to fear extinction and extinction retention were tested 24 h after fear extinction training for long-term memory (LTM)...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28659772/parameter-optimization-analysis-of-prolonged-analgesia-effect-of-tdcs-on-neuropathic-pain-rats
#11
Hui-Zhong Wen, Shi-Hao Gao, Yan-Dong Zhao, Wen-Juan He, Xue-Long Tian, Huai-Zhen Ruan
Background: Transcranial direct current stimulation (tDCS) is widely used to treat human nerve disorders and neuropathic pain by modulating the excitability of cortex. The effectiveness of tDCS is influenced by its stimulation parameters, but there have been no systematic studies to help guide the selection of different parameters. Objective: This study aims to assess the effects of tDCS of primary motor cortex (M1) on chronic neuropathic pain in rats and to test for the optimal parameter combinations for analgesia...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28659771/cognitive-impairment-in-patients-with-chronic-neuropathic-or-radicular-pain-an-interaction-of-pain-and-age
#12
Orla Moriarty, Nancy Ruane, David O'Gorman, Chris H Maharaj, Caroline Mitchell, Kiran M Sarma, David P Finn, Brian E McGuire
A growing body of empirical research has confirmed an association between chronic pain and cognitive dysfunction. The aim of the present study was to determine whether cognitive function is affected in patients with a diagnosis of chronic neuropathic or radicular pain relative to healthy control participants matched by age, gender, and years of education. We also examined the interaction of pain with age in terms of cognitive performance. Some limitations of previous clinical research investigating the effects of chronic pain on cognitive function include differences in the pain and cognitive scale materials used, and the heterogeneity of patient participants, both in terms of their demographics and pathological conditions...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28649193/repeated-low-intensity-blast-exposure-is-associated-with-damaged-endothelial-glycocalyx-and-downstream-behavioral-deficits
#13
Aaron A Hall, Mirian I Mendoza, Hanbing Zhou, Michael Shaughness, Eric Maudlin-Jeronimo, Richard M McCarron, Stephen T Ahlers
Current clinical research into mild traumatic brain injury (mTBI) has focused on white matter changes as identified by advanced MRI based imaging techniques. However, perivascular tau accumulation in the brains of individuals diagnosed with mTBI suggests that the vasculature plays a key role in the pathology. This study used a rat model to examine whether the endothelial glycocalyx, a layer of the vasculature responsible for sensing luminal shear forces, is damaged by exposure to repeated low intensity blast, and whether this layer is associated with observed behavioral deficits...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28642693/exposure-to-unsolvable-anagrams-impairs-performance-on-the-iowa-gambling-task
#14
Katrin Starcke, Janet D Agorku, Matthias Brand
Recent research indicates that external manipulations, such as stress or mood induction, can affect decision-making abilities. In the current study, we investigated whether the exposure to an unsolvable task affected subsequent performance on the Iowa Gambling Task. Participants were randomly assigned to a condition in which they were exposed to unsolvable anagrams (n = 20), or a condition in which they worked on solvable anagrams (n = 22). Afterwards, all participants played the Iowa Gambling Task, a prominent task that measures decision making under uncertain conditions with no explicit rules for gains and losses...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28642692/beyond-neuronal-activity-markers-select-immediate-early-genes-in-striatal-neuron-subtypes-functionally-mediate-psychostimulant-addiction
#15
REVIEW
Ramesh Chandra, Mary Kay Lobo
Immediate early genes (IEGs) were traditionally used as markers of neuronal activity in striatum in response to stimuli including drugs of abuse such as psychostimulants. Early studies using these neuronal activity markers led to important insights in striatal neuron subtype responsiveness to psychostimulants. Such studies have helped identify striatum as a critical brain center for motivational, reinforcement and habitual behaviors in psychostimulant addiction. While the use of IEGs as neuronal activity markers in response to psychostimulants and other stimuli persists today, the functional role and implications of these IEGs has often been neglected...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28638326/commentary-decoding-the-charitable-brain-empathy-perspective-taking-and-attention-shifts-differentially-predict-altruistic-giving
#16
COMMENT
Vanessa Era, Martina Fusaro, Selene Gallo
No abstract text is available yet for this article.
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28638325/dopamine-noradrenaline-and-differences-in-sexual-behavior-between-roman-high-and-low-avoidance-male-rats-a-microdialysis-study-in-the-medial-prefrontal-cortex
#17
Fabrizio Sanna, Jessica Bratzu, Maria A Piludu, Maria G Corda, Maria R Melis, Osvaldo Giorgi, Antonio Argiolas
Roman High- (RHA) and Low-Avoidance (RLA) outbred rats, which differ for a respectively rapid vs. poor acquisition of the active avoidance response in the shuttle-box, display differences in sexual activity when put in the presence of a sexually receptive female rat. Indeed RHA rats show higher levels of sexual motivation and copulatory performance than RLA rats, which persist also after repeated sexual activity. These differences have been correlated to a higher tone of the mesolimbic dopaminergic system of RHA rats vs...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28634446/are-distal-and-proximal-visual-cues-equally-important-during-spatial-learning-in-mice-a-pilot-study-of-overshadowing-in-the-spatial-domain
#18
Marie Hébert, Jan Bulla, Denis Vivien, Véronique Agin
Animals use distal and proximal visual cues to accurately navigate in their environment, with the possibility of the occurrence of associative mechanisms such as cue competition as previously reported in honey-bees, rats, birds and humans. In this pilot study, we investigated one of the most common forms of cue competition, namely the overshadowing effect, between visual landmarks during spatial learning in mice. To this end, C57BL/6J × Sv129 mice were given a two-trial place recognition task in a T-maze, based on a novelty free-choice exploration paradigm previously developed to study spatial memory in rodents...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28634445/antioxidant-treatment-with-n-acetyl-cysteine-prevents-the-development-of-cognitive-and-social-behavioral-deficits-that-result-from-perinatal-ketamine-treatment
#19
Aarron Phensy, Hasmik E Duzdabanian, Samantha Brewer, Anurag Panjabi, Christopher Driskill, Annuska Berz, George Peng, Sven Kroener
Alterations of the normal redox state can be found in all stages of schizophrenia, suggesting a key role for oxidative stress in the etiology and maintenance of the disease. Pharmacological blockade of N-methyl-D-aspartic acid (NMDA) receptors can disrupt natural antioxidant defense systems and induce schizophrenia-like behaviors in animals and healthy human subjects. Perinatal administration of the NMDA receptor (NMDAR) antagonist ketamine produces persistent behavioral deficits in adult mice which mimic a range of positive, negative, and cognitive symptoms that characterize schizophrenia...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28634444/experience-dependency-of-reliance-on-local-visual-and-idiothetic-cues-for-spatial-representations-created-in-the-absence-of-distal-information
#20
Fabian Draht, Sijie Zhang, Abdelrahman Rayan, Fabian Schönfeld, Laurenz Wiskott, Denise Manahan-Vaughan
Spatial encoding in the hippocampus is based on a range of different input sources. To generate spatial representations, reliable sensory cues from the external environment are integrated with idiothetic cues, derived from self-movement, that enable path integration and directional perception. In this study, we examined to what extent idiothetic cues significantly contribute to spatial representations and navigation: we recorded place cells while rodents navigated towards two visually identical chambers in 180° orientation via two different paths in darkness and in the absence of reliable auditory or olfactory cues...
2017: Frontiers in Behavioral Neuroscience
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