Current opinion in behavioral sciences
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#1Rebecca Boehme (Linköping University)H-Index: 10
#2Håkan Olausson (Linköping University)H-Index: 42
Humans need to be able to differentiate between signals they produce themselves and signals that arise from non-self-causes. It has long been discussed that the brain uses a copy of the motor command, an efference copy, to predict the sensory outcomes of one’s own action — and to attenuate these. While studies in humans suggest that cerebellum and supplementary motor area play crucial roles in the attenuation, a study in mice suggests a global suppression during self-touch. However, the sensory ...
#1Aikaterini Fotopoulou (UCL: University College London)H-Index: 40
#2Mariana von Mohr (RHUL: Royal Holloway, University of London)H-Index: 6
Last. Charlotte Krahé (University of Liverpool)H-Index: 14
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We focus on social touch as a paradigmatic case of the embodied, cognitive, and metacognitive processes involved in social, affective regulation. Social touch appears to contribute three interrelated but distinct functions to affective regulation. First, it regulates affects by fulfilling embodied predictions about social proximity and attachment. Second, caregiving touch, such as warming an infant, regulates affect by socially enacting homeostatic control and co-regulation of physiological stat...
#1Bogdan Zawadzki (University of Warsaw)H-Index: 14
#2Maria Cyniak-Cieciura (University of Social Sciences and Humanities)
This paper reviews studies on the relationship between temperament according to Jan Strelau’s Regulative Theory of Temperament and posttraumatic stress disorder (PTSD), with an emphasis on the results of psychological and genetic research. All temperament traits proposed by the RTT show relationships to PTSD symptoms, which was confirmed in both cross-sectional and prospective studies. The heritability of temperament traits was demonstrated in twin studies; their genetic basis was also shown in ...
#1Lisa WagelsH-Index: 11
#2Ute HabelH-Index: 62
Last. Benjamin ClemensH-Index: 11
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Just as for any other sensory system, researchers have long wanted to discriminate between the sensory discriminative and hedonic aspects of tactile perception. Supporting such a distinction, researchers have, in recent decades, uncovered the existence of a dedicated system of receptors in the hairy skin (C-Tactile, CT, afferents) that appear to be preferentially tuned to pleasant stroking (i.e. caressing) touch. No matter what kind of touch one is talking about, though, it is important to recog...
#1Martine Van Puyvelde (Royal Military Academy)H-Index: 10
#2Olivier Mairesse (Royal Military Academy)H-Index: 19
Last. Olivier
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Co-sleeping facilitates physiological regulation and interpersonal trust between partners. Here we discuss the possibility that this effect depends on C-tactile (CT) afferents—a class of unmyelinated mechanosensory cutaneous skin nerves that underlie both parasympathetic regulation and the rewarding neurochemistry of endogenous opioids and oxytocin. The literature reports that insomnia-related problems result from an overall difficulty to de-arouse. Moreover, sleep loss is prevalent in somatosen...
#1Ilona Croy (FSU: University of Jena)H-Index: 31
#2Merle T. Fairhurst (Bundeswehr University Munich)H-Index: 14
Last. Francis McGlone (LJMU: Liverpool John Moores University)H-Index: 64
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Touch plays an important role in the development of infants and children. In this review, we highlight the neural conditioning of affective touch and the related physiological responses, especially in the form of parasympathetic activation, pain suppression and stress relief. Based on recent studies, we show that the functionality of a population of C-tactile (CT) nerve fibers, hypothesized to provide the neurobiological substrate for the transmission of interpersonal touch, is already mature in...
#1Alisa R. Zoltowski (Vandy: Vanderbilt University)H-Index: 3
#2Michelle D. Failla (OSU: Ohio State University)H-Index: 13
Last. Carissa J. Cascio (Vandy: Vanderbilt University)H-Index: 27
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Interoception, the sense of the body’s physiological state, incorporates information from the skin. Both interoceptive input and social/affective touch are conveyed to the central nervous system through small diameter, unmyelinated afferent fibers that ultimately converge on the posterior insula. This relation is traceable developmentally to the heavy reliance of the fetus and infant on their mother/caregiver for autonomic regulation. Caregiving alleviates homeostatic/allostatic imbalances such ...
Touch forms a central component of social bonding, both in primates and in humans, via the brain’s endorphin system. In primates, this involves social grooming, acting via the CT neuron system. Although humans still use soft touch for bonding relationships, they have had to find ways of triggering the endorphin system without the need for physical touch in order to be able to increase the size of their social groups beyond the size of those characteristic of monkeys and apes. These behaviors inc...
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