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Affective neuroscience

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https://www.readbyqxmd.com/read/29445210/the-caveats-of-observing-inter-trial-phase-coherence-in-cognitive-neuroscience
#1
Rosanne Maria van Diepen, Ali Mazaheri
Many studies have now consistently reported that the phase angle of ongoing oscillatory activity (measured using EEG/MEG), at time of stimulus presentation influences detection when stimuli are near-threshold. However, studies examining whether the adjustment of the phase angle of oscillations is under top-down attentional control have thus far yielded conflicting results. A possible source for the discrepancy could be that the estimation of the phase of ongoing oscillations as well as its uniformity across trials could be affected by task induced changes in the power of oscillations or concurrent evoked responses...
February 14, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29432512/theory-of-drives-and-emotions-from-sigmund-freud-to-jaak-panksepp
#2
REVIEW
Cezary Żechowski
The article discusses the development of psychoanalytic theory in the direction of broadening the reflection on their own based on data derived from empirical studies other than clinical case study. Particularly noteworthy is the convergence that followed between neuroscience and psychoanalysis and the rise of the so-called neuropsychoanalysis. Consequently, this led to eject empirical hypotheses and begin research on defense mechanisms, self, memory, dreams, empathy, dynamic unconscious and emotional-motivational processes (theory of drives)...
December 30, 2017: Psychiatria Polska
https://www.readbyqxmd.com/read/29428393/reactivity-to-interpersonal-stress-in-patients-with-eating-disorders-a-systematic-review-and-meta-analysis-of-studies-using-an-experimental-paradigm
#3
REVIEW
Alessio Maria Monteleone, Janet Treasure, Carol Kan, Valentina Cardi
Reactivity to interpersonal stress in patients with eating disorders: A systematic review and meta-analysis of studies using an experimental paradigm. NEUROSCI BIOBEHAV REV XXX-XXX, 2018.- Social difficulties have been implicated in the development and maintenance of eating disorder symptoms. The aim of this work was to conduct a systematic review and meta-analysis of experimental studies testing patients' reactivity to interpersonal stress, compared to healthy controls. Thirty-four studies were included. Meta-analyses were conducted on 16 studies and on following outcomes: attention bias and interference to threatening faces and cortisol, heart rate and negative affect before and after exposure to interpersonal stress...
February 8, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29423572/integrating-predictive-frameworks-and-cognitive-models-of-face-perception
#4
REVIEW
Sabrina Trapp, Stefan R Schweinberger, William G Hayward, Gyula Kovács
The idea of a "predictive brain"-that is, the interpretation of internal and external information based on prior expectations-has been elaborated intensely over the past decade. Several domains in cognitive neuroscience have embraced this idea, including studies in perception, motor control, language, and affective, social, and clinical neuroscience. Despite the various studies that have used face stimuli to address questions related to predictive processing, there has been surprisingly little connection between this work and established cognitive models of face recognition...
February 8, 2018: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/29414852/interactions-between-epilepsy-and-plasticity
#5
REVIEW
José J Jarero-Basulto, Yadira Gasca-Martínez, Martha C Rivera-Cervantes, Mónica E Ureña-Guerrero, Alfredo I Feria-Velasco, Carlos Beas-Zarate
Undoubtedly, one of the most interesting topics in the field of neuroscience is the ability of the central nervous system to respond to different stimuli (normal or pathological) by modifying its structure and function, either transiently or permanently, by generating neural cells and new connections in a process known as neuroplasticity. According to the large amount of evidence reported in the literature, many stimuli, such as environmental pressures, changes in the internal dynamic steady state of the organism and even injuries or illnesses (e...
February 7, 2018: Pharmaceuticals
https://www.readbyqxmd.com/read/29409977/extending-the-analysis-of-zebrafish-behavioral-endophenotypes-for-modeling-psychiatric-disorders-fear-conditioning-to-conspecific-alarm-response
#6
Caio Maximino, Daniele L Meinerz, Barbara D Fontana, Nathana J Mezzomo, Flavia V Stefanello, Alessandro de S Prestes, Cibele B Batista, Maribel A Rubin, Nilda V Barbosa, João Batista T Rocha, Monica G Lima, Denis B Rosemberg
Anxiety, trauma- and stressor-related disorders are severe psychiatric conditions that affect human population worldwide. Given their genetic tractability, evolutionarily conserved neurotransmitter systems, and extensive behavioral repertoire, zebrafish have become an emergent model organism in translational neuroscience. Here, we investigate whether a single exposure to conspecific alarm substance (CAS) produces fear conditioning in zebrafish using a conditioned place aversion (CPA) paradigm, as well as the persistence of aversive responses at different time intervals...
February 2, 2018: Behavioural Processes
https://www.readbyqxmd.com/read/29395924/visual-features-in-the-perception-of-liquids
#7
Jan Jaap R van Assen, Pascal Barla, Roland W Fleming
Perceptual constancy-identifying surfaces and objects across large image changes-remains an important challenge for visual neuroscience [1-8]. Liquids are particularly challenging because they respond to external forces in complex, highly variable ways, presenting an enormous range of images to the visual system. To achieve constancy, the brain must perform a causal inference [9-11] that disentangles the liquid's viscosity from external factors-like gravity and object interactions-that also affect the liquid's behavior...
January 26, 2018: Current Biology: CB
https://www.readbyqxmd.com/read/29395858/cognitive-reappraisal-intervention-for-suicide-prevention-crisp-for-middle-aged-and-older-adults-hospitalized-for-suicidality
#8
Dimitris N Kiosses, George S Alexopoulos, Greg Hajcak, William Apfeldorf, Paul R Duberstein, David Putrino, James J Gross
Middle-aged and older adults constitute a high suicide-risk group. Among adults aged 50 years old and older, suicide rates increased and suicide deaths almost doubled during the period from 2000 to 2015. Suicide rates are elevated for patients hospitalized for suicidality (i.e., active suicidal ideation or suicide attempt) and the 3 months post-hospitalization is the time of the highest suicide risk. Psychosocial interventions for middle-aged and older adults hospitalized for suicidality are sparse. In this article, we present the main aspects, stages, techniques and a clinical case study of Cognitive Reappraisal Intervention for Suicide Prevention (CRISP), a psychosocial intervention targeting cognitive reappraisal to reduce suicide risk in middle-aged and older adults who have been recently hospitalized for suicidal ideation or a suicide attempt...
December 27, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29378297/deconstructing-arousal-into-wakeful-autonomic-and-affective-varieties
#9
REVIEW
Ajay B Satpute, Philip A Kragel, Lisa Feldman Barrett, Tor D Wager, Marta Bianciardi
Arousal plays a central role in a wide variety of phenomena, including wakefulness, autonomic function, affect and emotion. Despite its importance, it remains unclear as to how the neural mechanisms for arousal are organized across them. In this article, we review neuroscience findings for three of the most common origins of arousal: wakeful arousal, autonomic arousal, and affective arousal. Our review makes two overarching points. First, research conducted primarily in non-human animals underscores the importance of several subcortical nuclei that contribute to various sources of arousal, motivating the need for an integrative framework...
January 26, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29374792/association-of-grey-matter-changes-with-stability-and-flexibility-of-prediction-in-akinetic-rigid-parkinson-s-disease
#10
Ima Trempler, Ellen Binder, Nadiya El-Sourani, Patrick Schiffler, Jan-Gerd Tenberge, Anne-Marike Schiffer, Gereon R Fink, Ricarda I Schubotz
Parkinson's disease (PD), which is caused by degeneration of dopaminergic neurons in the midbrain, results in a heterogeneous clinical picture including cognitive decline. Since the phasic signal of dopamine neurons is proposed to guide learning by signifying mismatches between subjects' expectations and external events, we here investigated whether akinetic-rigid PD patients without mild cognitive impairment exhibit difficulties in dealing with either relevant (requiring flexibility) or irrelevant (requiring stability) prediction errors...
January 27, 2018: Brain Structure & Function
https://www.readbyqxmd.com/read/29373847/housing-and-testing-in-mixed-sex-rooms-increases-motivation-and-accuracy-during-operant-testing-in-both-male-and-female-mice
#11
Kelsey R Lloyd, Sarah K Yaghoubi, Ryan A Makinson, Sarah E McKee, Teresa M Reyes
Operant behavior tasks are widely used in neuroscience research, but little is known about how variables such as housing and testing conditions affect rodent operant performance. We have previously observed differences in operant performance in male and female mice depending on whether mice were housed and tested in rooms containing only one sex versus rooms containing both sexes. Here, male and female mice in either single-sex or mixed sex housing rooms were trained on fixed ratio 1 (FR1) and progressive ratio (PR) tasks...
January 23, 2018: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29371263/tulsa-1000-a-naturalistic-study-protocol-for-multilevel-assessment-and-outcome-prediction-in-a-large-psychiatric-sample
#12
Teresa A Victor, Sahib S Khalsa, W Kyle Simmons, Justin S Feinstein, Jonathan Savitz, Robin L Aupperle, Hung-Wen Yeh, Jerzy Bodurka, Martin P Paulus
INTRODUCTION: Although neuroscience has made tremendous progress towards understanding the basic neural circuitry underlying important processes such as attention, memory and emotion, little progress has been made in applying these insights to psychiatric populations to make clinically meaningful treatment predictions. The overall aim of the Tulsa 1000 (T-1000) study is to use the NIMH Research Domain Criteria framework in order to establish a robust and reliable dimensional set of variables that quantifies the positive and negative valence, cognition and arousal domains, including interoception, to generate clinically useful treatment predictions...
January 24, 2018: BMJ Open
https://www.readbyqxmd.com/read/29369657/facial-expression-predictions-as-drivers-of-social-perception
#13
Lorena Chanes, Jolie Baumann Wormwood, Nicole Betz, Lisa Feldman Barrett
Emerging perspectives in neuroscience indicate that the brain functions predictively, constantly anticipating sensory input based on past experience. According to these perspectives, prediction signals impact perception, guiding and constraining experience. In a series of six behavioral experiments, we show that predictions about facial expressions drive social perception, deeply influencing how others are evaluated: individuals are judged as more likable and trustworthy when their facial expressions are anticipated, even in the absence of any conscious changes in felt affect...
January 25, 2018: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/29368697/how-do-reference-montage-and-electrodes-setup-affect-the-measured-scalp-eeg-potentials
#14
Shiang Hu, Yongxiu Lai, Pedro A Valdes-Sosa, Maria L Bringas-Vega, Dezhong Yao
OBJECTIVE: Human scalp electroencephalogram (EEG) is widely applied in cognitive neuroscience and clinical studies due to its non-invasiveness and ultra-high time resolution. However, the representativeness of the measured EEG potentials for the underneath neural activities is still a problem under debate. This study aims to investigate systematically how both reference montage and electrodes setup affect the accuracy of EEG potentials. APPROACH: First, the standard EEG potentials are generated by the forward calculation with a single dipole in the neural source space, for eleven channel numbers (10, 16, 21, 32, 64, 85, 96, 128, 129, 257, 335)...
January 25, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29364988/socio-affective-touch-expression-database
#15
Haemy Lee Masson, Hans Op de Beeck
Socio-affective touch communication conveys a vast amount of information about emotions and intentions in social contexts. In spite of the complexity of the socio-affective touch expressions we use daily, previous studies addressed only a few aspects of social touch mainly focusing on hedonics, such as stroking, leaving a wide range of social touch behaviour unexplored. To overcome this limit, we present the Socio-Affective Touch Expression Database (SATED), which includes a large range of dynamic interpersonal socio-affective touch events varying in valence and arousal...
2018: PloS One
https://www.readbyqxmd.com/read/29361609/environmental-enrichment-modulates-the-response-to-chronic-stress-in-zebrafish
#16
Matheus Marcon, Ricieri Mocelin, Radharani Benvenutti, Tales Costa, Ana P Herrmann, Diogo L de Oliveira, Gessi Koakoski, Leonardo J G Barcellos, Angelo Piato
Several studies have shown that manipulations to the housing environment modulate the susceptibility to stress in laboratory animals, mainly in rodents. Environmental enrichment (EE) is one such manipulation that promotes neuroprotection and neurogenesis, besides affecting behaviors such as drug self-administration. Zebrafish are a popular and useful animal model for behavioral neuroscience studies; however, studies evaluating the impact of housing conditions in this species are scarce. In this study, we verified the effects of EE on behavioral (novel tank test) and biochemical (cortisol and reactive oxygen species (ROS)) parameters in zebrafish submitted to unpredictable chronic stress (UCS)...
January 9, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29354733/does-timing-of-transplantation-of-neural-stem-cells-following-spinal-cord-injury-affect-outcomes-in-an-animal-model
#17
Ivan Cheng, Don Y Park, Robert E Mayle, Michael Githens, Robert L Smith, Howard Y Park, Serena S Hu, Todd F Alamin, Kirkham B Wood, Alexander I Kharazi
Background: We previously reported that functional recovery of rats with spinal cord contusions can occur after acute transplantation of neural stem cells distal to the site of injury. To investigate the effects of timing of administration of human neural stem cell (hNSC) distal to the site of spinal cord injury on functional outcomes in an animal model. Methods: Thirty-six adult female Long-Evans hooded rats were randomized into three experimental and three control groups with six animals in each group...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29352032/the-surprising-subtleties-of-changing-fear-memory-a-challenge-for-translational-science
#18
REVIEW
Merel Kindt
Current pharmacological and psychological treatments for disorders of emotional memory only dampen the affective response while leaving the original fear memory intact. Under adverse circumstances, these original memories regain prominence, causing relapses in many patients. The (re)discovery in neuroscience that after reactivation consolidated fear memories may return to a transient labile state, requiring a process of restabilization in order to persist, offers a window of opportunity for modifying fear memories with amnestic agents...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29345974/cognitive-effects-of-cancer-and-cancer-treatments
#19
Tim A Ahles, James C Root
As the population of cancer survivors has grown into the millions, there has been increasing emphasis on understanding how the late effects of treatment affect survivors' ability to return to work/school, their capacity to function and live independently, and their overall quality of life. This review focuses on cognitive change associated with cancer and cancer treatments. Research in this area has progressed from a pharmacotoxicology perspective to a view of the cognitive change as a complex interaction of aspects of the treatment, vulnerability factors that increase risk for posttreatment cognitive decline, cancer biology, and the biology of aging...
January 18, 2018: Annual Review of Clinical Psychology
https://www.readbyqxmd.com/read/29342053/gradual-symmetric-progression-of-dfna34-hearing-loss-caused-by-an-nlrp3-mutation-and-cochlear-autoinflammation
#20
Hiroshi Nakanishi, Yoshiyuki Kawashima, Kiyoto Kurima, Julie A Muskett, H Jeffrey Kim, Carmen C Brewer, Andrew J Griffith
OBJECTIVE: To characterize the audiometric phenotype of autosomal-dominant DFNA34 hearing loss (HL) caused by a missense substitution in the NLRP3 gene. NLRP3 encodes a critical component of the NLRP3 inflammasome that is activated in innate immune responses. STUDY DESIGN: This study was conducted under protocol 01-DC-0229 approved by the NIH Combined Neurosciences IRB. We performed medical and developmental history interviews and physical and audiological examinations of affected individuals with DFNA34 HL caused by the p...
January 16, 2018: Otology & Neurotology
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