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https://www.readbyqxmd.com/read/28497126/vulnerability-to-depression-in-youth-advances-from-affective-neuroscience
#1
Autumn Kujawa, Katie L Burkhouse
Vulnerability models of depression posit that individual differences in trait-like vulnerabilities emerge early in life and increase risk for the later development of depression. In this review, we summarize advances from affective neuroscience using neural measures to assess vulnerabilities in youth at high risk for depression due to parental history of depression or temperament style, as well as prospective designs evaluating the predictive validity of these vulnerabilities for symptoms and diagnoses of depression across development...
January 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28483719/multi-echo-epi-of-human-fear-conditioning-reveals-improved-bold-detection-in-ventromedial-prefrontal-cortex
#2
Brice Fernandez, Laura Leuchs, Philipp G Sämann, Michael Czisch, Victor I Spoormaker
Standard T2(*) weighted functional magnetic resonance imaging (fMRI) performed with echo-planar imaging (EPI) suffers from signal loss in the ventromedial prefrontal cortex (vmPFC) due to macroscopic field inhomogeneity. However, this region is of special interest to affective neuroscience and psychiatry. The Multi-echo EPI (MEPI) approach has several advantages over EPI but its performance against EPI in the vmPFC has not yet been examined in a study with sufficient statistical power using a task specifically eliciting activity in this region...
May 5, 2017: NeuroImage
https://www.readbyqxmd.com/read/28475155/new-frontiers-for-applications-of-thermal-infrared-imaging-devices-computational-psychopshysiology-in-the-neurosciences
#3
REVIEW
Daniela Cardone, Arcangelo Merla
Thermal infrared imaging has been proposed, and is now used, as a tool for the non-contact and non-invasive computational assessment of human autonomic nervous activity and psychophysiological states. Thanks to a new generation of high sensitivity infrared thermal detectors and the development of computational models of the autonomic control of the facial cutaneous temperature, several autonomic variables can be computed through thermal infrared imaging, including localized blood perfusion rate, cardiac pulse rate, breath rate, sudomotor and stress responses...
May 5, 2017: Sensors
https://www.readbyqxmd.com/read/28458034/emotional-learning-stress-and-development-an-ever-changing-landscape-shaped-by-early-life-experience
#4
Siobhan S Pattwell, Kevin G Bath
The capacity to learn to associate cues with negative outcomes is a highly adaptive process that appears to be conserved across species. However, when the cue is no longer a valid predictor of danger, but the emotional response persists, this can result in maladaptive behaviors, and in humans contribute to debilitating emotional disorders. Over the past several decades, work in neuroscience, psychiatry, psychology, and biology have uncovered key processes underlying, and structures governing, emotional responding and learning, as well as identified disruptions in the structural and functional integrity of these brain regions in models of pathology...
April 27, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28443039/primary-emotional-systems-and-personality-an-evolutionary-perspective
#5
Christian Montag, Jaak Panksepp
The present article highlights important concepts of personality including stability issues from the perspective of situational demands and stability over the life-course. Following this more introductory section, we argue why individual differences in primary emotional systems may represent the phylogenetically oldest parts of human personality. Our argumentation leads to the need to increasingly consider individual differences in the raw affects/emotions of people to understand human personality in a bottom-up fashion, which can be coordinated with top-down perspectives...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28424380/-schizotypy-detachment-or-magical-fusion
#6
János Kállai, Mária Simon, István Hartung, Béla Birkás, Róbert Herold
Nowadays, both in the clinical population, and in general communities, we tend to encounter an increasing number of personality disorder patients, whose social adjustment, partnerships and efficient life management is made difficult by the disorder. The ideas of borderline personality disorder patients, who fluctuate between farfetched expectations and fears of their selves being demolished, schizoid patients, who close their selves in their own alienating prison, avoidant patients, who try to escape difficulties, which would enhance their self-esteem, OCD patients, who build their own mythic superstitious world, and antisocial patients who tend to ignore and aggressively override others' interests are all important in the development of cultures with insecure identities...
2017: Psychiatria Hungarica: A Magyar Pszichiátriai Társaság Tudományos Folyóirata
https://www.readbyqxmd.com/read/28419879/challenging-the-myth-of-right-non-dominant-hemisphere-lessons-from-cortico-subcortical-stimulation-mapping-in-awake-surgery-and-surgical-implications
#7
REVIEW
Tatiana Vilasboas, Guillaume Herbet, Hugues Duffau
For a long time, the right hemisphere (RH) was considered as "non-dominant", especially in right-handers. In neurosurgical practice, this dogma resulted in the selection of awake procedure with language mapping only for lesions of the left "dominant" hemisphere. Conversely, surgery under general anesthesia (possibly with motor mapping) was usually proposed for right lesions. However, when objective neuropsychological assessments were performed, they frequently revealed cognitive and behavioral deficits following brain surgery, even in the RH...
April 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28416459/the-error-of-broca-from-the-traditional-localizationist-concept-to-a-connectomal-anatomy-of-human-brain
#8
REVIEW
Hugues Duffau
Neurology, especially aphasiology, was mainly built on behavioral-structural correlations ("lesion method"). In this setting, Broca's area has been considered as the "speech area"; moreover, this observation led to localizationism. However, advances in brain mapping techniques, as functional neuroimaging and direct electrical stimulation in patients undergoing awake surgery for gliomas, has resulted in a paradigmatic shift regarding models of neural architecture. In fact, the brain is organized in distributed complex networks underpinning sensorimotor, visuospatial, language, cognitive and emotional functions...
April 14, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28388482/face-proprioception-does-not-modulate-access-to-visual-awareness-of-emotional-faces-in-a-continuous-flash-suppression-paradigm
#9
Sebastian Korb, Sofia A Osimo, Tiziano Suran, Ariel Goldstein, Raffaella Ida Rumiati
An important question in neuroscience is which multisensory information, presented outside of awareness, can influence the nature and speed of conscious access to our percepts. Recently, proprioceptive feedback of the hand was reported to lead to faster awareness of congruent hand images in a breaking continuous flash suppression (b-CFS) paradigm. Moreover, a vast literature suggests that spontaneous facial mimicry can improve emotion recognition, even without awareness of the stimulus face. However, integration of visual and proprioceptive information about the face to date has not been tested with CFS...
April 4, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28384621/the-affective-tie-that-binds-examining-the-contribution-of-positive-emotions-and-anxiety-to-relationship-formation-in-social-anxiety-disorder
#10
Charles T Taylor, Sarah L Pearlstein, Murray B Stein
Individuals with social anxiety disorder (SAD) have difficulty forming social relationships. The prevailing clinical perspective is that negative emotions such as anxiety inhibit one's capacity to develop satisfying social connections. However, empirical findings from social psychology and affective neuroscience suggest that positive emotional experiences are fundamental to establishing new social bonds. To reconcile these perspectives, we collected repeated measurements of anxiety, positive emotions (pleasantness), and connectedness over the course of a controlled relationship formation encounter in 56 participants diagnosed with SAD (64% female; Mage=23...
March 31, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/28374144/david-an-open-source-platform-for-real-time-transformation-of-infra-segmental-emotional-cues-in-running-speech
#11
Laura Rachman, Marco Liuni, Pablo Arias, Andreas Lind, Petter Johansson, Lars Hall, Daniel Richardson, Katsumi Watanabe, Stéphanie Dubal, Jean-Julien Aucouturier
We present an open-source software platform that transforms emotional cues expressed by speech signals using audio effects like pitch shifting, inflection, vibrato, and filtering. The emotional transformations can be applied to any audio file, but can also run in real time, using live input from a microphone, with less than 20-ms latency. We anticipate that this tool will be useful for the study of emotions in psychology and neuroscience, because it enables a high level of control over the acoustical and emotional content of experimental stimuli in a variety of laboratory situations, including real-time social situations...
April 3, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28369611/attacking-heterogeneity-in-schizophrenia-by-deriving-clinical-subgroups-from-widely-available-symptom-data
#12
Dwight Dickinson, Danielle N Pratt, Evan J Giangrande, MeiLin Grunnagle, Jennifer Orel, Daniel R Weinberger, Joseph H Callicott, Karen F Berman
Previous research has identified (1) a "deficit" subtype of schizophrenia characterized by enduring negative symptoms and diminished emotionality and (2) a "distress" subtype associated with high emotionality-including anxiety, depression, and stress sensitivity. Individuals in deficit and distress categories differ sharply in development, clinical course and behavior, and show distinct biological markers, perhaps signaling different etiologies. We tested whether deficit and distress subtypes would emerge from a simple but novel data-driven subgrouping analysis, based on Positive and Negative Syndrome Scale (PANSS) negative and distress symptom dimensions, and whether subgrouping was informative regarding other facets of behavior and brain function...
March 20, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28341151/mice-heterozygous-for-an-inactivated-allele-of-the-schizophrenia-associated-brd1-gene-display-selective-cognitive-deficits-with-translational-relevance-to-schizophrenia
#13
Per Qvist, Anto P Rajkumar, John P Redrobe, Mette Nyegaard, Jane H Christensen, Ole Mors, Gregers Wegener, Michael Didriksen, Anders D Børglum
Schizophrenia is a debilitating brain disorder characterized by disturbances of emotion, perception and cognition. Cognitive impairments predict functional outcome in schizophrenia and are detectable even in the prodromal stage of the disorder. However, our understanding of the underlying neurobiology is limited and procognitive treatments remain elusive. We recently demonstrated that mice heterozygous for an inactivated allele of the schizophrenia-associated Brd1 gene (Brd1(+/)(-) mice) display behaviors reminiscent of schizophrenia, including impaired social cognition and long-term memory...
March 21, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28337130/the-brainstem-in-emotion-a-review
#14
REVIEW
Anand Venkatraman, Brian L Edlow, Mary Helen Immordino-Yang
Emotions depend upon the integrated activity of neural networks that modulate arousal, autonomic function, motor control, and somatosensation. Brainstem nodes play critical roles in each of these networks, but prior studies of the neuroanatomic basis of emotion, particularly in the human neuropsychological literature, have mostly focused on the contributions of cortical rather than subcortical structures. Given the size and complexity of brainstem circuits, elucidating their structural and functional properties involves technical challenges...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/28324983/the-precuneus-may-encode-irrationality-in-human-gambling
#15
P Sacre, M S D Kerr, S Subramanian, K Kahn, J Gonzalez-Martinez, M A Johnson, S V Sarma, J T Gale
Humans often make irrational decisions, especially psychiatric patients who have dysfunctional cognitive and emotional circuitry. Understanding the neural basis of decision-making is therefore essential towards patient management, yet current studies suffer from several limitations. Functional magnetic resonance imaging (fMRI) studies in humans have dominated decision-making neuroscience, but have poor temporal resolution and the blood oxygenation level-dependent signal is only a proxy for neural activity. On the other hand, lesion studies in humans used to infer functionality in decision-making lack characterization of neural activity altogether...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28321194/mindfulness-and-emotion-regulation-insights-from-neurobiological-psychological-and-clinical-studies
#16
REVIEW
Simón Guendelman, Sebastián Medeiros, Hagen Rampes
There is increasing interest in the beneficial clinical effects of mindfulness-based interventions (MBIs). Research has demonstrated their efficacy in a wide range of psychological conditions characterized by emotion dysregulation. Neuroimaging studies have evidenced functional and structural changes in a myriad of brain regions mainly involved in attention systems, emotion regulation, and self-referential processing. In this article we review studies on psychological and neurobiological correlates across different empirically derived models of research, including dispositional mindfulness, mindfulness induction, MBIs, and expert meditators in relation to emotion regulation...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28302564/tackling-maladaptive-memories-through-reconsolidation-from-neural-to-clinical-science
#17
James W B Elsey, Merel Kindt
Behavioral neuroscience has greatly informed how we understand the formation, persistence, and plasticity of memory. Research has demonstrated that memory reactivation can induce a labile period, during which previously consolidated memories are sensitive to change, and in need of restabilization. This process is known as reconsolidation. Such findings have advanced not only our basic understanding of memory processes, but also hint at the prospect of harnessing these insights for the development of a new generation of treatments for disorders of emotional memory...
March 18, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28286321/synaptic-proteome-changes-in-the-hypothalamus-of-mother-rats
#18
Edina Brigitta Udvari, Katalin Völgyi, Péter Gulyássy, Diána Dimén, Viktor Kis, János Barna, Éva Rebeka Szabó, Gert Lubec, Gábor Juhász, Katalin Adrienna Kékesi, Árpád Dobolyi
To establish synaptic proteome changes associated with motherhood, we isolated synaptosome fractions from the hypothalamus of mother rats and non-maternal control females at the 11th postpartum day. Proteomic analysis by two-dimensional differential gel electrophoresis combined with mass spectrometric protein identification established 26 significant proteins, 7 increasing and 19 decreasing protein levels in the dams. The altered proteins are mainly involved in energy homeostasis, protein folding, and metabolic processes suggesting the involvement of these cellular processes in maternal adaptations...
March 9, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28283392/addictions-neuroclinical-assessment-a-reverse-translational-approach
#19
REVIEW
Laura E Kwako, Reza Momenan, Erica N Grodin, Raye Z Litten, George F Koob, David Goldman
Incentive salience, negative emotionality, and executive function are functional domains that are etiologic in the initiation and progression of addictive disorders, having been implicated in humans with addictive disorders and in animal models of addictions. Measures of these three neuroscience-based functional domains can capture much of the effects of inheritance and early exposures that lead to trait vulnerability shared across different addictive disorders. For specific addictive disorders, these measures can be supplemented by agent specific measures such as those that access pharmacodynamic and pharmacokinetic variation attributable to agent-specific gatekeeper molecules including receptors and drug-metabolizing enzymes...
March 7, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28274677/pediatric-irritability-a-systems-neuroscience-approach
#20
REVIEW
Ellen Leibenluft
Irritability, defined as an increased propensity to exhibit increased anger relative to one's peers, is a common clinical problem in youth. Irritability can be conceptualized as aberrant responses to frustration (where frustration is the emotional response to blocked goal attainment) and/or aberrant 'approach' responses to threat. Irritable youth show hyper-reactivity to threat mediated by dysfunction in amygdala, medial prefrontal cortex (mPFC), anterior cingulate cortex (ACC), insula, striatum, and association cortex...
April 2017: Trends in Cognitive Sciences
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