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Sensory Processing Disorder

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https://www.readbyqxmd.com/read/28078966/visual-and-cross-modal-cues-increase-the-identification-of-overlapping-visual-stimuli-in-balint-s-syndrome
#1
Daniela D'Imperio, Michele Scandola, Valeria Gobbetto, Cristina Bulgarelli, Matteo Salgarello, Renato Avesani, Valentina Moro
INTRODUCTION: Cross-modal interactions improve the processing of external stimuli, particularly when an isolated sensory modality is impaired. When information from different modalities is integrated, object recognition is facilitated probably as a result of bottom-up and top-down processes. The aim of this study was to investigate the potential effects of cross-modal stimulation in a case of simultanagnosia. METHOD: We report a detailed analysis of clinical symptoms and an (18)F-fluorodeoxyglucose (FDG) brain positron emission tomography/computed tomography (PET/CT) study of a patient affected by Balint's syndrome, a rare and invasive visual-spatial disorder following bilateral parieto-occipital lesions...
January 12, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28074464/investigation-of-hand-function-among-children-diagnosed-with-autism-spectrum-disorder-with-upper-extremity-trauma-history
#2
Meral Huri, Sedef Şahin, Hülya Kayıhan
BACKGROUND: The present study was designed to compare hand function in autistic children with history of upper extremity trauma with that of autistic children those who do not have history of trauma. METHODS: The study group included total of 65 children diagnosed with autism spectrum disorder (ASD) and was divided into 2 groups: children with trauma history (Group I) and control group (Group II) (Group I: n=28; Group II: n=37). Hand function was evaluated with 9-Hole Peg Test and Jebsen Hand Function Test...
November 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28071644/topologically-protected-modes-in-non-equilibrium-stochastic-systems
#3
Arvind Murugan, Suriyanarayanan Vaikuntanathan
Non-equilibrium driving of biophysical processes is believed to enable their robust functioning despite the presence of thermal fluctuations and other sources of disorder. Such robust functions include sensory adaptation, enhanced enzymatic specificity and maintenance of coherent oscillations. Elucidating the relation between energy consumption and organization remains an important and open question in non-equilibrium statistical mechanics. Here we report that steady states of systems with non-equilibrium fluxes can support topologically protected boundary modes that resemble similar modes in electronic and mechanical systems...
January 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28064114/extreme-sensory-processing-patterns-show-a-complex-association-with-depression-and-impulsivity-alexithymia-and-hopelessness
#4
Gianluca Serafini, Xenia Gonda, Giovanna Canepa, Maurizio Pompili, Zoltan Rihmer, Mario Amore, Batya Engel-Yeger
INTRODUCTION: The involvement of extreme sensory processing patterns, impulsivity, alexithymia, and hopelessness was hypothesized to contribute to the complex pathophysiology of major depression and bipolar disorder. However, the nature of the relation between these variables has not been thoroughly investigated. AIMS: This study aimed to explore the association between extreme sensory processing patterns, impulsivity, alexithymia, depression, and hopelessness. METHODS: We recruited 281 euthymic participants (mean age=47...
December 22, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28054261/effectiveness-of-low-level-laser-therapy-on-pain-intensity-pressure-pain-threshold-and-sf-mpq-indexes-of-women-with-myofascial-pain
#5
Laís Valencise Magri, Vinícius Almeida Carvalho, Flávia Cássia Cabral Rodrigues, César Bataglion, Christie Ramos Andrade Leite-Panissi
Women with temporomandibular disorders (TMD) frequently report pain areas in body regions. This process is associated with central sensitization phenomena, present in chronic pain. The low-level laser therapy (LLLT) has been reported as a therapeutic option for the painful TMD treatment. The aim of this study was to analyze the effect of LLLT on pain intensity (visual analogue scale, VAS), pain sensitivity in orofacial and corporal points (pressure pain threshold, PPT), and on Short Form-McGill Pain Questionnaire (SF-MPQ) indexes of women with myofascial pain (subtype of muscle TMD)...
January 4, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28045463/neurogenetics-of-developmental-dyslexia-from-genes-to-behavior-through-brain-neuroimaging-and-cognitive-and-sensorial-mechanisms
#6
REVIEW
S Mascheretti, A De Luca, V Trezzi, D Peruzzo, A Nordio, C Marino, F Arrigoni
Developmental dyslexia (DD) is a complex neurodevelopmental deficit characterized by impaired reading acquisition, in spite of adequate neurological and sensorial conditions, educational opportunities and normal intelligence. Despite the successful characterization of DD-susceptibility genes, we are far from understanding the molecular etiological pathways underlying the development of reading (dis)ability. By focusing mainly on clinical phenotypes, the molecular genetics approach has yielded mixed results...
January 3, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28045213/longitudinal-diffusion-changes-in-prodromal-and-early-hd-evidence-of-white-matter-tract-deterioration
#7
Joseph J Shaffer, Ali Ghayoor, Jeffrey D Long, Regina Eun-Young Kim, Spencer Lourens, Lauren J O'Donnell, Carl-Fredrik Westin, Yogesh Rathi, Vincent Magnotta, Jane S Paulsen, Hans J Johnson
INTRODUCTION: Huntington's disease (HD) is a genetic neurodegenerative disorder that primarily affects striatal neurons. Striatal volume loss is present years before clinical diagnosis; however, white matter degradation may also occur prior to diagnosis. Diffusion-weighted imaging (DWI) can measure microstructural changes associated with degeneration that precede macrostructural changes. DWI derived measures enhance understanding of degeneration in prodromal HD (pre-HD). METHODS: As part of the PREDICT-HD study, N = 191 pre-HD individuals and 70 healthy controls underwent two or more (baseline and 1-5 year follow-up) DWI, with n = 649 total sessions...
January 3, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28018906/chaperonopathies-spotlight-on-hereditary-motor-neuropathies
#8
REVIEW
Vincenzo Lupo, Carmen Aguado, Erwin Knecht, Carmen Espinós
Distal hereditary motor neuropathies (dHMN) are a group of rare hereditary neuromuscular disorders characterized by an atrophy that affects peroneal muscles in the absence of sensory symptoms. To date, 23 genes are thought to be responsible for dHMN, four of which encode chaperones: DNAJB2, which encodes a member of the HSP40/DNAJ co-chaperone family; and HSPB1, HSPB3, and HSPB8, encoding three members of the small heat shock protein family. While around 30 different mutations in HSPB1 have been identified, the remaining three genes are altered in many fewer cases...
2016: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28013067/lost-emotion-disrupted-brain-based-tracking-of-dynamic-affective-episodes-in-anxiety-and-depression
#9
Joshua M Carlson, Denis Rubin, Lilianne R Mujica-Parodi
In our day-to-day lives we are confronted with dynamic sensory inputs that elicit a continuously evolving emotional response. Insight into the brain basis of the dynamic nature of emotional reactivity may be critical for understanding chronic symptoms of anxiety and depression. Here, individuals with generalized anxiety disorder, major depressive disorder, and healthy controls watched a video with dynamic affective content while fMRI activity was recorded. Across all participants there was a large-scale tracking of affective content in emotion processing regions and the default mode network...
December 7, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/28003962/cortical-arousal-in-children-and-adolescents-with-functional-neurological-symptoms-during-the-auditory-oddball-task
#10
Kasia Kozlowska, Dmitriy Melkonian, Chris J Spooner, Stephen Scher, Russell Meares
OBJECTIVE: Stress, pain, injury, and psychological trauma all induce arousal-mediated changes in brain network organization. The associated, high level of arousal may disrupt motor-sensory processing and result in aberrant patterns of motor function, including functional neurological symptoms. We used the auditory oddball paradigm to assess cortical arousal in children and adolescents with functional neurological symptom disorder. METHOD: Electroencephalogram (EEG) data was collected in fifty-seven children and adolescents (41 girls; 16 boys, aged 8...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27994221/dynamic-modulation-of-inflammatory-pain-related-affective-and-sensory-symptoms-by-optical-control-of-amygdala-metabotropic-glutamate-receptor-4
#11
C Zussy, X Gómez-Santacana, X Rovira, D De Bundel, S Ferrazzo, D Bosch, D Asede, F Malhaire, F Acher, J Giraldo, E Valjent, I Ehrlich, F Ferraguti, J-P Pin, A Llebaria, C Goudet
Contrary to acute pain, chronic pain does not serve as a warning signal and must be considered as a disease per se. This pathology presents a sensory and psychological dimension at the origin of affective and cognitive disorders. Being largely refractory to current pharmacotherapies, identification of endogenous systems involved in persistent and chronic pain is crucial. The amygdala is a key brain region linking pain sensation with negative emotions. Here, we show that activation of a specific intrinsic neuromodulatory system within the amygdala associated with type 4 metabotropic glutamate receptors (mGlu4) abolishes sensory and affective symptoms of persistent pain such as hypersensitivity to pain, anxiety- and depression-related behaviors, and fear extinction impairment...
December 20, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27991470/air-traffic-controllers-long-term-speech-in-noise-training-effects-a-control-group-study
#12
Maria T P Zaballos, Daniel P Plasencia, María L Z González, Angel R de Miguel, Ángel R Macías
INTRODUCTION: Speech perception in noise relies on the capacity of the auditory system to process complex sounds using sensory and cognitive skills. The possibility that these can be trained during adulthood is of special interest in auditory disorders, where speech in noise perception becomes compromised. Air traffic controllers (ATC) are constantly exposed to radio communication, a situation that seems to produce auditory learning. The objective of this study has been to quantify this effect...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27989331/juvenile-fibromyalgia-a-primary-pain-or-pain-processing-disorder
#13
REVIEW
Lawrence Zemel, Peter R Blier
Juvenile fibromyalgia (JFM), a chronic disorder of widespread musculoskeletal pain in combination with autonomic, sensory, and cognitive dysfunction, is responsible for considerable morbidity and impaired quality of life in affected patients and their families. Historically, fibromyalgia has been incorrectly characterized as a psychosomatic or psychogenic disorder, but new understanding of the science of pain has demonstrated unambiguously that it is an organic disorder of the pain processing system itself...
August 2016: Seminars in Pediatric Neurology
https://www.readbyqxmd.com/read/27989258/musical-hallucinations-a-brief-review-of-functional-neuroimaging-findings
#14
Francesco Bernardini, Luigi Attademo, Karen Blackmon, Orrin Devinsky
Musical hallucinations are uncommon phenomena characterized by intrusive and frequently distressful auditory musical percepts without an external source, often associated with hypoacusis, psychiatric illness, focal brain lesion, epilepsy, and intoxication/pharmacology. Their physiological basis is thought to involve diverse mechanisms, including "release" from normal sensory or inhibitory inputs as well as stimulation during seizures, or they can be produced by functional or structural disorders in diverse cortical and subcortical areas...
December 19, 2016: CNS Spectrums
https://www.readbyqxmd.com/read/27983625/trp-channels-in-skin-biology-and-pathophysiology
#15
REVIEW
Michael J Caterina, Zixuan Pang
Ion channels of the Transient Receptor Potential (TRP) family mediate the influx of monovalent and/or divalent cations into cells in response to a host of chemical or physical stimuli. In the skin, TRP channels are expressed in many cell types, including keratinocytes, sensory neurons, melanocytes, and immune/inflammatory cells. Within these diverse cell types, TRP channels participate in physiological processes ranging from sensation to skin homeostasis. In addition, there is a growing body of evidence implicating abnormal TRP channel function, as a product of excessive or deficient channel activity, in pathological skin conditions such as chronic pain and itch, dermatitis, vitiligo, alopecia, wound healing, skin carcinogenesis, and skin barrier compromise...
December 14, 2016: Pharmaceuticals
https://www.readbyqxmd.com/read/27967157/statistical-mechanics-of-consciousness-maximization-of-information-content-of-network-is-associated-with-conscious-awareness
#16
R Guevara Erra, D M Mateos, R Wennberg, J L Perez Velazquez
It is said that complexity lies between order and disorder. In the case of brain activity and physiology in general, complexity issues are being considered with increased emphasis. We sought to identify features of brain organization that are optimal for sensory processing, and that may guide the emergence of cognition and consciousness, by analyzing neurophysiological recordings in conscious and unconscious states. We find a surprisingly simple result: Normal wakeful states are characterized by the greatest number of possible configurations of interactions between brain networks, representing highest entropy values...
November 2016: Physical Review. E
https://www.readbyqxmd.com/read/27936122/association-of-odor-thresholds-and-responses-in-cerebral-blood-flow-of-the-prefrontal-area-during-olfactory-stimulation-in-patients-with-multiple-chemical-sensitivity
#17
Kenichi Azuma, Iwao Uchiyama, Mari Tanigawa, Ikuko Bamba, Michiyo Azuma, Hirohisa Takano, Toshikazu Yoshikawa, Kou Sakabe
Multiple chemical sensitivity (MCS) is a disorder characterized by nonspecific and recurrent symptoms from various organ systems associated with exposure to low levels of chemicals. Patients with MCS process odors differently than controls do. Previously, we suggested that this odor processing was associated with increased regional cerebral blood flow (rCBF) in the prefrontal area during olfactory stimulation using near-infrared spectroscopic (NIRS) imaging. The aim of this study was to investigate the association of odor thresholds and changes in rCBF during olfactory stimulation at odor threshold levels in patients with MCS...
2016: PloS One
https://www.readbyqxmd.com/read/27930654/whole-organism-developmental-expression-profiling-identifies-rab-28-as-a-novel-ciliary-gtpase-associated-with-the-bbsome-and-intraflagellar-transport
#18
Victor L Jensen, Stephen Carter, Anna A W M Sanders, Chunmei Li, Julie Kennedy, Tiffany A Timbers, Jerry Cai, Noemie Scheidel, Breandán N Kennedy, Ryan D Morin, Michel R Leroux, Oliver E Blacque
Primary cilia are specialised sensory and developmental signalling devices extending from the surface of most eukaryotic cells. Defects in these organelles cause inherited human disorders (ciliopathies) such as retinitis pigmentosa and Bardet-Biedl syndrome (BBS), frequently affecting many physiological and developmental processes across multiple organs. Cilium formation, maintenance and function depend on intracellular transport systems such as intraflagellar transport (IFT), which is driven by kinesin-2 and IFT-dynein motors and regulated by the Bardet-Biedl syndrome (BBS) cargo-adaptor protein complex, or BBSome...
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27919795/current-and-novel-insights-into-the-neurophysiology-of-migraine-and-its-implications-for-therapeutics
#19
REVIEW
Simon Akerman, Marcela Romero-Reyes, Philip R Holland
Migraine headache and its associated symptoms have plagued humans for two millennia. It is manifest throughout the world, and affects more than 1/6 of the global population. It is the most common brain disorder, and is characterized by moderate to severe unilateral headache that is accompanied by vomiting, nausea, photophobia, phonophobia, and other hypersensitive symptoms of the senses. While there is still a clear lack of understanding of its neurophysiology, it is beginning to be understood, and it seems to suggest migraine is a disorder of brain sensory processing, characterized by a generalized neuronal hyperexcitability...
December 2, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27917869/neurophysiological-characterization-of-attentional-performance-dysfunction-in-schizophrenia-patients-in-a-reverse-translated-task
#20
Jared W Young, Andrew W Bismark, Yinming Sun, Wendy Zhang, Meghan McIlwain, Ibrahim Grootendorst, Gregory A Light
Attentional dysfunction in schizophrenia (SZ) contributes to the functional deficits ubiquitous to the disorder. Identifying the neural substrates of translational measures of attentional dysfunction would prove invaluable for developing therapeutics. Attentional performance is typically assessed via continuous performance tasks (CPTs), though many place additional cognitive demands with little cross-species test-relevance. Herein, event related potentials (ERPs) were utilized to investigate the neurophysiological correlates of attention and response inhibition of SZ and healthy participants, while they performed the cross-species translated five-choice CPT (5C-CPT)...
December 5, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
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