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Current Topics in Behavioral Neurosciences

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https://www.readbyqxmd.com/read/29019101/oxytocin-and-human-sensitive-and-protective-parenting
#1
Marian J Bakermans-Kranenburg, Marinus H van IJzendoorn
In this chapter we review the evidence for the role of oxytocin in parenting, and discuss some crucial but outstanding questions. This is not meant to be a comprehensive review of all studies on oxytocin and parenting in general. Instead, special attention will be paid to a dimension of parenting that has been largely neglected in behavioral and neurobiological research on parental caregiving, namely protection. Parental protection has received considerable attention in animal research but, despite its evolutionary importance, not in studies on humans...
October 11, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/29019100/oxytocin-and-social-cognition
#2
Andreas Ebert, Martin Brüne
Oxytocin has been linked to many domains within the realm of "social cognition." For example, research has shown that oxytocin affects trusting behavior, cooperation, as well as the perception and processing of facial expressions. Furthermore, oxytocin increases empathy and seems to exert differential effects on in-group versus out-group preferences. However, there are some conflicting results that point towards a modulatory effect of oxytocin, depending on a variety of contextual and within-subject factors...
October 11, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28956320/oxytocin-and-prader-willi-syndrome
#3
Anahid Kabasakalian, Casara J Ferretti, Eric Hollander
In the chapter, we explore the relationship between the peptide hormone, oxytocin (OT), and behavioral and metabolic disturbances observed in the genetic disorder Prader-Willi Syndrome (PWS). Phenotypic and genotypic characteristics of PWS are described, as are the potential implications of an abnormal OT system with respect to neural development including the possible effects of OT dysfunction on interactions with other regulatory mediators, including neurotransmitters, neuromodulators, and hormones. The major behavioral characteristics are explored in the context of OT dysfunction, including hyperphagia, impulsivity, anxiety and emotion dysregulation, sensory processing and interoception, repetitive and restrictive behaviors, and dysfunctional social cognition...
September 28, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28942597/sleep-disruption-safety-learning-and-fear-extinction-in-humans-implications-for-posttraumatic-stress-disorder
#4
Laura D Straus, Sean P A Drummond, Victoria B Risbrough, Sonya B Norman
Fear learning is critical in the development and maintenance of posttraumatic stress disorder (PTSD) symptoms, and safety learning and extinction are necessary for recovery. Studies in animal models suggest that sleep disruption, and REM sleep fragmentation in particular, interfere with safety learning and extinction processes, and recently, studies are extending these findings to humans. A discussion of the human literature is presented here, which largely consists of experimental studies in healthy human control subjects...
September 24, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28942596/the-multidimensional-therapeutic-potential-of-targeting-the-brain-oxytocin-system-for-the-treatment-of-substance-use-disorders
#5
Michael T Bowen, Inga D Neumann
The neuropeptide oxytocin is released both into the blood and within the brain in response to reproductive stimuli, such as birth, suckling and sex, but also in response to social interaction and stressors. Substance use disorders, or addictions, are chronic, relapsing brain disorders and are one of the major causes of global burden of disease. Unfortunately, current treatment options for substance use disorders are extremely limited and a treatment breakthrough is sorely needed. There is mounting preclinical evidence that targeting the brain oxytocin system may provide that breakthrough...
September 24, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28942595/oxytocin-signaling-in-pain-cellular-circuit-system-and-behavioral-levels
#6
Pierrick Poisbeau, Valery Grinevich, Alexandre Charlet
Originally confined to the initiation of parturition and milk ejection after birth, the hypothalamic nonapeptide oxytocin (OT) is now recognized as a critical determinant of social behavior and emotional processing. It accounts for the modulation of sensory processing and pain perception as OT displays a potent analgesic effect mediated by OT receptors (OTRs) expressed in the peripheral and central nervous systems. In our chapter, we will first systemically analyze known efferent and afferent OT neuron projections, which form the anatomical basis for OT modulation of somatosensory and pain processing...
September 24, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28864977/oxytocin-and-animal-models-for-autism-spectrum-disorder
#7
Shlomo Wagner, Hala Harony-Nicolas
Autism spectrum disorder (ASD) is a group of complex neurodevelopmental conditions characterized by deficits in social communication and by repetitive and stereotypic patterns of behaviors, with no pharmacological treatments available to treat these core symptoms. Oxytocin is a neuropeptide that powerfully regulates mammalian social behavior and has been shown to exert pro-social effects when administered intranasally to healthy human subjects. In the last decade, there has been a significant interest in using oxytocin to treat social behavior deficits in ASD...
September 2, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28864976/overview-of-human-oxytocin-research
#8
Keith M Kendrick, Adam J Guastella, Benjamin Becker
Social dysfunction is a core symptom of many psychiatric disorders and current medications have little or no remedial effects on this. Following on from extensive studies on animal models demonstrating that the neuropeptide oxytocin plays an important role in social recognition and bonding, human-based research has explored its therapeutic potential for social dysfunction in psychiatric disorders. Here we outline the historical background of this human-based research and some of the current methodological challenges it is facing...
September 2, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28864975/oxytocin-and-aggression
#9
Trynke R de Jong, Inga D Neumann
The neuropeptide oxytocin (OT) has a solid reputation as a facilitator of social interactions such as parental and pair bonding, trust, and empathy. The many results supporting a pro-social role of OT have generated the hypothesis that impairments in the endogenous OT system may lead to antisocial behavior, most notably social withdrawal or pathological aggression. If this is indeed the case, administration of exogenous OT could be the "serenic" treatment that psychiatrists have for decades been searching for...
September 2, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28864974/oxytocin-and-schizophrenia-spectrum-disorders
#10
Ulrich Ettinger, René Hurlemann, Raymond C K Chan
In this chapter, we present an overview of studies of oxytocin (OXT) in schizophrenia and the schizophrenia spectrum. We first outline the current state of pharmacological treatment of the symptoms of schizophrenia and point to unmet clinical needs. These relate particularly to the debilitating negative symptoms and social cognitive deficits that are frequently observed in patients suffering from schizophrenia. We argue that new treatments are needed to alleviate these impairments. As OXT has been proposed and investigated as a putative treatment, we will then summarise evidence from studies in patients with schizophrenia that have investigated the effects of OXT at several levels, i...
September 2, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28864973/the-role-of-oxytocin-in-social-buffering-what-do-primate-studies-add
#11
Catherine Crockford, Tobias Deschner, Roman M Wittig
The ability to maintain close social bonds impacts on reproductive success, longevity, stress and health in social mammals, including humans (Silk et al., Curr Biol 20(15):1359-1361, 2010; Crockford et al., Horm Behav 53(1):254-265, 2008; Wittig et al., Horm Behav 54(1):170-177, 2008; Archie et al., Proc R Soc B 281(1793):20141261, 2014; Cameron et al., Proc Natl Acad Sci U S A 106:13850-13853, 2009; Schülke et al., Curr Biol 20:2207-2210, 2010; Silk et al., Science 302:1231-1234, 2003; Holt-Lunstad et al...
September 2, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28864972/oxytocin-modulation-of-neural-circuits
#12
Mariela Mitre, Jessica Minder, Egzona X Morina, Moses V Chao, Robert C Froemke
Oxytocin is a hypothalamic neuropeptide first recognized as a regulator of parturition and lactation which has recently gained attention for its ability to modulate social behaviors. In this chapter, we review several aspects of the oxytocinergic system, focusing on evidence for release of oxytocin and its receptor distribution in the cortex as the foundation for important networks that control social behavior. We examine the developmental timeline of the cortical oxytocin system as demonstrated by RNA, autoradiographic binding, and protein immunohistochemical studies, and describe how that might shape brain development and behavior...
September 2, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28831734/interactions-of-hallucinogens-with-the-glutamatergic-system-permissive-network-effects-mediated-through-cortical-layer-v-pyramidal-neurons
#13
Gerard J Marek
Recordings made from layer V (L5) pyramidal cells of the prefrontal cortex (PFC) and neocortex in rodent slice preparations have shown that serotonin (5-hydroxytryptamine, 5-HT) and serotonergic hallucinogens induce an increase in the frequency of spontaneous excitatory postsynaptic currents (EPSCs) in the apical dendritic field by activating 5-HT2A receptors. Serotonergic hallucinogens induce late EPSCs and increase recurrent network activity when subcortical or mid-cortical regions are stimulated at low frequencies (e...
August 23, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28812274/oxytocin-and-anxiety-disorders
#14
Michael G Gottschalk, Katharina Domschke
In the present chapter, we review the literature focusing on oxytocin (OT)-centered research in anxiety spectrum conditions, comprising separation anxiety disorder, specific phobias, social anxiety disorder (SAD), panic disorder, generalized anxiety disorder, and anxiety-related endophenotypes (e.g., trust behavior, behavioral inhibition, neuroticism, and state/trait anxiety). OT receptor gene (OXTR) polymorphisms have been implicated in gene-environment interactions with attachment style and childhood maltreatment and to influence clinical outcomes, including SAD intensity and limbic responsiveness...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28812273/a-precision-medicine-approach-to-oxytocin%C3%A2-trials
#15
Elissar Andari, Rene Hurlemann, Larry J Young
In this chapter, we introduce a new area of social pharmacology that encompasses the study of the role of neuromodulators in modulating a wide range of social behaviors and brain function, with the interplay of genetic and epigenetic factors. There are increasing evidences for the role of the neuropeptide oxytocin in modulating a wide range of social behaviors, in reducing anxiety, and in impacting the social brain network. Oxytocin also promotes social functions in patients with neuropsychiatric disorders, such as autism and reduces anxiety and fear in anxiety disorders...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28812272/oxytocin-and-borderline-personality-disorder
#16
Katja Bertsch, Sabine C Herpertz
Borderline personality disorder (BPD) is a prevalent and severe mental disorder with affect dysregulation, impulsivity, and interpersonal dysfunction as its core features. Up to now, six studies have been performed to investigate the role of oxytocin in the pathogenesis of BPD. While a beneficial effect of oxytocin on threat processing and stress responsiveness was found, other studies using an oxytocin challenge design presented with rather heterogeneous results. Future studies have to include a sufficiently large sample of patients, control for gender, and focus on mechanisms known to be related to aversive early life experiences...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28812271/oxytocin-and-interpersonal-relationships
#17
Alexandra Patin, Dirk Scheele, Rene Hurlemann
The neuropeptide oxytocin (OT) has emerged as a potent modulator of diverse aspects of interpersonal relationships. OT appears to work in close interaction with several other neurotransmitter networks, including the dopaminergic reward circuit, and to be dependent on sex-specific hormonal influences. In this chapter, we focus on four main domains of OT and interpersonal relationships, including (1) the protective effect of OT on an individual's ability to withstand stress (i.e., stress buffering), (2) the effect of OT on emotion recognition and empathy, (3) OT's ability to enhance social synchrony and cooperation among individuals, and (4) the effect of OT on an individual's perception of social touch...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28812270/oxytocin-and-facial-emotion-recognition
#18
Mark A Ellenbogen
The expression of emotion in faces serves numerous meaningful functions, such as conveying messages of danger or approach, facilitating communication, and promoting the formation of social bonds and relationships. The study of facial expressions of emotion has become integral to research in social psychology and social neuroscience, particularly with respect to the neuropeptide oxytocin. This chapter examines how oxytocin influences the processing of emotion in faces by reviewing intranasal administration studies of automatic processing, selective attention, and emotion recognition...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28812269/oxytocin-signaling-in-the-early-life-of-mammals-link-to-neurodevelopmental-disorders-associated-with-asd
#19
Françoise Muscatelli, Michel G Desarménien, Valery Matarazzo, Valery Grinevich
Oxytocin plays a role in various functions including endocrine and immune functions but also parent-infant bonding and social interactions. It might be considered as a main neuropeptide involved in mediating the regulation of adaptive interactions between an individual and his/her environment. Recently, a critical role of oxytocin in early life has been revealed in sensory processing and multi-modal integration that are essential for normal postnatal neurodevelopment. An early alteration in the oxytocin-system may disturb its maturation and may have short-term and long-term pathological consequences such as autism spectrum disorders...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28812268/oxytocin-and-human-evolution
#20
C Sue Carter
A small, but powerful neuropeptide, oxytocin coordinates processes that are central to both human reproduction and human evolution. Also embedded in the evolution of the human nervous system are unique pathways necessary for modern human sociality and cognition. Oxytocin is necessary for facilitating the birth process, especially in light of anatomical restrictions imposed by upright human locomotion, which depends on a fixed pelvis. Oxytocin, by facilitating birth, allowed the development of a large cortex and a protective bony cranium...
August 16, 2017: Current Topics in Behavioral Neurosciences
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