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Frontiers in Behavioral Neuroscience

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https://www.readbyqxmd.com/read/28522965/adolescent-ethanol-exposure-leads-to-stimulus-specific-changes-in-cytokine-reactivity-and-hypothalamic-pituitary-adrenal-axis-sensitivity-in-adulthood
#1
Andrew S Vore, Tamara Doremus-Fitzwater, Anny Gano, Terrence Deak
Adolescent alcohol use comprises a significant public health concern and is often characterized by binge-like consumption patterns. While ethanol exposure in adulthood has been shown to alter the stress response, including the Hypothalamic-Pituitary-Adrenal (HPA) axis, few studies have examined whether binge-like ethanol exposure during adolescence results in enduring changes in HPA axis sensitivity in adulthood. In the present studies, adolescent Sprague-Dawley rats were given intragastric (i.g.) intubations of ethanol (4 g/kg) or vehicle once per day for three consecutive days, beginning on postnatal day (P) 30 (±1)...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28515684/selegiline-ameliorates-depression-like-behavior-in-mice-lacking-the-cd157-bst1-gene-a-risk-factor-for-parkinson-s-disease
#2
Satoka Kasai, Toru Yoshihara, Olga Lopatina, Katsuhiko Ishihara, Haruhiro Higashida
Parkinson's disease (PD), a neurodegenerative disorder, is accompanied by various non-motor symptoms including depression and anxiety, which may precede the onset of motor symptoms. Selegiline is an irreversible monoamine oxidase-B (MAO-B) inhibitor, and is widely used in the treatment of PD and major depression. However, there are few reports about the effects of selegiline on non-motor symptoms in PD. The aim of this study was to explore the antidepressant and anxiolytic effects of selegiline, using CD157/BST1 knockout (CD157 KO) mouse, a PD-related genetic model displaying depression and anxiety, compared with other antiparkinsonian drugs and an antidepressant, and was to investigate the effects of selegiline on biochemical parameters in emotion-related brain regions...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28512400/exposure-to-hedione-increases-reciprocity-in-humans
#3
Sebastian Berger, Hanns Hatt, Axel Ockenfels
Cooperation among unrelated humans is frequently regarded as a defining feature in the evolutionary success of our species. Whereas, much research has addressed the strategic and cognitive mechanisms that underlie cooperation, investigations into chemosensory processes have received very limited research attention. To bridge that gap, we build on recent research that has identified the chemically synthesized odorant Hedione (HED) as a ligand for the putative human pheromone receptor (VN1R1) expressed in the olfactory mucosa, and hypothesize that exposure to HED may increase reciprocity...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28507513/appetitive-olfactory-learning-and-long-term-associative-memory-in-caenorhabditis-elegans
#4
Saori Nishijima, Ichiro N Maruyama
Because of the relative simplicity of its nervous system, Caenorhabditis elegans is a useful model organism to study learning and memory at cellular and molecular levels. For appetitive conditioning in C. elegans, food has exclusively been used as an unconditioned stimulus (US). It may be difficult to analyze neuronal circuits for associative memory since food is a multimodal combination of olfactory, gustatory, and mechanical stimuli. Here, we report classical appetitive conditioning and associative memory in C...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28507512/changes-in-dopamine-transmission-in-the-nucleus-accumbens-shell-and-core-during-ethanol-and-sucrose-self-administration
#5
Valentina Bassareo, Flavia Cucca, Roberto Frau, Gaetano Di Chiara
Ethanol, like other substances of abuse, preferentially increases dopamine (DA) transmission in the rat nucleus accumbens (NAc) following passive administration. It remains unclear, however, whether ethanol also increases NAc DA transmission following operant oral self-administration (SA). The NAc is made-up of a ventro-medial compartment, the shell and a dorso-lateral one, the core, where DA transmission responds differentially following exposure to drugs of abuse. Previous studies from our laboratory investigated changes in dialysate DA in the NAc shell and core of rats responding for sucrose pellets and for drugs of abuse...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28503137/reward-network-immediate-early-gene-expression-in-mood-disorders
#6
REVIEW
Claire E Manning, Elizabeth S Williams, Alfred J Robison
Over the past three decades, it has become clear that aberrant function of the network of interconnected brain regions responsible for reward processing and motivated behavior underlies a variety of mood disorders, including depression and anxiety. It is also clear that stress-induced changes in reward network activity underlying both normal and pathological behavior also cause changes in gene expression. Here, we attempt to define the reward circuitry and explore the known and potential contributions of activity-dependent changes in gene expression within this circuitry to stress-induced changes in behavior related to mood disorders, and contrast some of these effects with those induced by exposure to drugs of abuse...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28491027/post-learning-sleep-transiently-boosts-context-specific-operant-extinction-memory
#7
Margarita Borquez, María P Contreras, Ennio Vivaldi, Jan Born, Marion Inostroza
Operant extinction is learning to supress a previously rewarded behavior. It is known to be strongly associated with the specific context in which it was acquired, which limits the therapeutic use of operant extinction in behavioral treatments, e.g., of addiction. We examined whether sleep influences contextual memory of operant extinction over time, using two different recall tests (Recent and Remote). Rats were trained in an operant conditioning task (lever press) in context A, then underwent extinction training in context B, followed by a 3-h retention period that contained either spontaneous morning sleep, morning sleep deprivation, or spontaneous evening wakefulness...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28491026/-neural-efficiency-of-athletes-brain-during-visuo-spatial-task-an-fmri-study-on-table-tennis-players
#8
Zhiping Guo, Anmin Li, Lin Yu
Long-term training leads experts to develop a focused and efficient organization of task-related neural networks. "Neural efficiency" hypothesis posits that neural activity is reduced in experts. Here we tested the following working hypotheses: compared to non-athletes, athletes showed lower cortical activation in task-sensitive brain areas during the processing of sports related and sports unrelated visuo-spatial tasks. To address this issue, cortical activation was examined with fMRI in 14 table tennis athletes and 14 non-athletes while performing the visuo-spatial tasks...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28491025/change-of-rin1-and-stathmin-in-the-animal-model-of-traumatic-stresses
#9
Fang Han, Jingzhi Jiang, Jinlan Ding, Hong Liu, Bing Xiao, Yuxiu Shi
The molecular mechanism of fear memory is poorly understood. Therefore, the pathogenesis of post-traumatic stress disorder (PTSD), whose symptom presentation can enhance fear memory, remains largely unclear. Recent studies with knockout animals have reported that Rin1 and stathmin regulate fear memory. Rin1 inhibits acquisition and promotes memory extinction, whereas stathmin regulates innate and basal fear. The aim of our study was to examine changes in the expression of Rin1 and stathmin in different animal models of stress, particluarly traumatic stress...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28484379/testosterone-and-cortisol-jointly-predict-the-ambiguity-premium-in-an-ellsberg-urns-experiment
#10
Giuseppe Danese, Eugénia Fernandes, Neil V Watson, Samuele Zilioli
Previous literature has tried to establish whether and how steroid hormones are related to economic risk-taking. In this study, we investigate the relationship between testosterone (T) and cortisol (C) on one side and attitudes toward risk and ambiguity on the other. We asked 78 male undergraduate students to complete several tasks and provide two saliva samples. In the task "Reveal the Bag," participants expressed their beliefs on an ambiguous situation in an incentivized framework. In the task "Ellsberg Bags," we elicited from the participants through an incentive-compatible mechanism the reservation prices for a risky bet and an ambiguous bet...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28473760/persistent-effects-of-developmental-exposure-to-17%C3%AE-ethinylestradiol-on-the-zebrafish-danio-rerio-brain-transcriptome-and-behavior
#11
Tove Porseryd, Kristina Volkova, Nasim Reyhanian Caspillo, Thomas Källman, Patrik Dinnetz, Inger Porsh Hällström
The synthetic estrogen 17α-ethinylestradiol (EE2) is an endocrine disrupting compound of concern due to its persistence and widespread presence in the aquatic environment. Effects of developmental exposure to low concentrations of EE2 in fish on reproduction and behavior not only persisted to adulthood, but have also been observed to be transmitted to several generations of unexposed progeny. To investigate the possible biological mechanisms of the persistent anxiogenic phenotype, we exposed zebrafish embryos for 80 days post fertilization to 0, 3, and 10 ng/L EE2 (measured concentrations 2...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28473759/age-and-wavelength-dependency-of-drosophila-larval-phototaxis-and-behavioral-responses-to-natural-lighting-conditions
#12
Tim-Henning Humberg, Simon G Sprecher
Animals use various environmental cues as key determinant for their behavioral decisions. Visual systems are hereby responsible to translate light-dependent stimuli into neuronal encoded information. Even though the larval eyes of the fruit fly Drosophila melanogaster are comparably simple, they comprise two types of photoreceptor neurons (PRs), defined by different Rhodopsin genes expressed. Recent findings support that for light avoidance Rhodopsin5 (Rh5) expressing photoreceptors are crucial, while Rhodopsin6 (Rh6) expressing photoreceptors are dispensable under laboratory conditions...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28469565/in-search-for-boundary-conditions-of-reconsolidation-a-failure-of-fear-memory-interference
#13
Natalie Schroyens, Tom Beckers, Merel Kindt
The presentation of a fear memory cue can result in mere memory retrieval, destabilization of the reactivated memory trace, or the formation of an extinction memory. The interaction between the degree of novelty during reactivation and previous learning conditions is thought to determine the outcome of a reactivation session. This study aimed to evaluate whether contextual novelty can prevent cue-induced destabilization and disruption of a fear memory acquired by non-asymptotic learning. To this end, fear memory was reactivated in a novel context or in the original context of learning, and fear memory reactivation was followed by the administration of propranolol, an amnestic drug...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28469564/pavlovian-conditioning-of-larval-drosophila-an-illustrated-multilingual-hands-on-manual-for-odor-taste-associative-learning-in-maggots
#14
Birgit Michels, Timo Saumweber, Roland Biernacki, Jeanette Thum, Rupert D V Glasgow, Michael Schleyer, Yi-Chun Chen, Claire Eschbach, Reinhard F Stocker, Naoko Toshima, Teiichi Tanimura, Matthieu Louis, Gonzalo Arias-Gil, Manuela Marescotti, Fabio Benfenati, Bertram Gerber
Larval Drosophila offer a study case for behavioral neurogenetics that is simple enough to be experimentally tractable, yet complex enough to be worth the effort. We provide a detailed, hands-on manual for Pavlovian odor-reward learning in these animals. Given the versatility of Drosophila for genetic analyses, combined with the evolutionarily shared genetic heritage with humans, the paradigm has utility not only in behavioral neurogenetics and experimental psychology, but for translational biomedicine as well...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28458633/event-related-potentials-altered-in-patients-with-borderline-personality-disorder-during-working-memory-tasks
#15
Ying Liu, Mingtian Zhong, Chang Xi, Xinhu Jin, Xiongzhao Zhu, Shuqiao Yao, Jinyao Yi
Whereas some studies have demonstrated impaired working memory (WM) among patients with borderline personality disorder (BPD), these findings have not been consistent. Furthermore, there is a lack of neurophysiological evidence about WM function in patients with BPD. The goal of this study was to examine WM function in patients with BPD by using event-related potentials (ERPs). An additional goal was to explore whether characteristics of BPD (i.e., impulsiveness and emotional instability) are associated with WM impairment...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28450831/cycle-triggered-cortical-stimulation-during-slow-wave-sleep-facilitates-learning-a-bmi-task-a-case-report-in-a-non-human-primate
#16
Irene Rembado, Stavros Zanos, Eberhard E Fetz
Slow wave sleep (SWS) has been identified as the sleep stage involved in consolidating newly acquired information. A growing body of evidence has shown that delta (1-4 Hz) oscillatory activity, the characteristic electroencephalographic signature of SWS, is involved in coordinating interaction between the hippocampus and the neocortex and is thought to take a role in stabilizing memory traces related to a novel task. This case report describes a new protocol that uses neuroprosthetics training of a non-human primate to evaluate the effects of surface cortical electrical stimulation triggered from SWS cycles...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28446868/triggering-avoidance-dissociable-influences-of-aversive-pavlovian-conditioned-stimuli-on-human-instrumental-behavior
#17
Sara Garofalo, Trevor W Robbins
The present study investigates human aversive Pavlovian-to-Instrumental Transfer (PIT) and possible influences of outcome devaluation and instrumental overtraining on this effect. PIT measures the extent to which a Pavlovian conditioned stimulus (CS) can increase instrumental responses independently paired with the same (outcome-specific transfer) or a different (general transfer) reinforcer. Two measures of PIT were obtained: the percentage of instrumental responses and the vigor of such responses. Thirty-eight volunteers performed a standard PIT task sequence...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28446867/response-properties-of-motor-equivalence-neurons-of-the-primate-premotor-cortex
#18
Eleftherios Neromyliotis, A K Moschovakis
To study the response properties of cells that could participate in eye-hand coordination we trained two macaque monkeys to perform center-out saccades and pointing movements with their right or left forelimb toward visual targets presented on a video display. We analyzed the phasic movement related discharges of neurons of the periarcuate cortex that fire before and during saccades and movements of the hand whether accompanied by movements of the other effector or not. Because such cells could encode an abstract form of the desired displacement vector without regard to the effector that would execute the movement we refer to such cells as motor equivalence neurons (Meq)...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28443005/waking-up-buried-memories-of-old-tv-programs
#19
Christelle Larzabal, Nadège Bacon-Macé, Sophie Muratot, Simon J Thorpe
Although it has been demonstrated that visual and auditory stimuli can be recalled decades after the initial exposure, previous studies have generally not ruled out the possibility that the material may have been seen or heard during the intervening period. Evidence shows that reactivations of a long-term memory trace play a role in its update and maintenance. In the case of remote or very long-term memories, it is most likely that these reactivations are triggered by the actual re-exposure to the stimulus...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28424597/working-memory-after-traumatic-brain-injury-the-neural-basis-of-improved-performance-with-methylphenidate
#20
Anne E Manktelow, David K Menon, Barbara J Sahakian, Emmanuel A Stamatakis
Traumatic brain injury (TBI) often results in cognitive impairments for patients. The aim of this proof of concept study was to establish the nature of abnormalities, in terms of activity and connectivity, in the working memory network of TBI patients and how these relate to compromised behavioral outcomes. Further, this study examined the neural correlates of working memory improvement following the administration of methylphenidate. We report behavioral, functional and structural MRI data from a group of 15 Healthy Controls (HC) and a group of 15 TBI patients, acquired during the execution of the N-back task...
2017: Frontiers in Behavioral Neuroscience
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