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Sensory Processing Disorder

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https://www.readbyqxmd.com/read/28639417/auditory-processing-in-autism-spectrum-disorder-mismatch-negativity-deficits
#1
Chantal Vlaskamp, Bob Oranje, Gitte Falcher Madsen, Jens Richardt Møllegaard Jepsen, Sarah Durston, Cathriona Cantio, Birte Glenthøj, Niels Bilenberg
Children with autism spectrum disorders (ASD) often show changes in (automatic) auditory processing. Electrophysiology provides a method to study auditory processing, by investigating event-related potentials such as mismatch negativity (MMN) and P3a-amplitude. However, findings on MMN in autism are highly inconsistent, partly due to small sample sizes in the studies and differences in MMN paradigms. Therefore, in the current study, MMN and P3a amplitude were assessed in a relatively large sample of children with ASD, using a more extensive MMN paradigm and compared with that of typically developing children (TDC)...
June 22, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28636935/the-sensory-striatum-is-permanently-impaired-by-transient-developmental-deprivation
#2
Todd M Mowery, Kristina B Penikis, Stephen K Young, Christopher E Ferrer, Vibhakar C Kotak, Dan H Sanes
Corticostriatal circuits play a fundamental role in regulating many behaviors, and their dysfunction is associated with many neurological disorders. In contrast, sensory disorders, like hearing loss (HL), are commonly linked with processing deficits at or below the level of the auditory cortex (ACx). However, HL can be accompanied by non-sensory deficits, such as learning delays, suggesting the involvement of regions downstream of ACx. Here, we show that transient developmental HL differentially affected the ACx and its downstream target, the sensory striatum...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28635077/self-disgust-within-eating-disordered-groups-associations-with-anxiety-disgust-sensitivity-and-sensory-processing
#3
Katie Bell, Helen Coulthard, Diane Wildbur
This study aimed to assess the relationship between self-disgust and sensory processing within eating psychopathology. Five hundred and ninety-one women with a self-reported diagnosis of anorexia nervosa, bulimia nervosa or who had no previous history of an eating disorder completed a battery of online questionnaires measuring disgust, emotion and sensory variables. Those with an eating disorder reported significantly higher rates of self-disgust than those with no history of disordered eating. In groups of women with self-reported bulimia, self-disgust was associated with sensation avoidance and sensation seeking...
June 20, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28633363/development-initial-testing-and-challenges-of-an-ecologically-valid-reward-prediction-error-fmri-task-for-alcoholism
#4
Anita Cservenka, Kelly E Courtney, Dara G Ghahremani, Kent E Hutchison, Lara A Ray
Aims: To advance translational studies of the role of reward prediction error (PE) in alcohol use disorder, the present study sought to develop and conduct an initial test of an alcohol-specific PE task paradigm using functional magnetic resonance imaging in humans. Methods: Alcohol dependent or social drinkers received small tastes of their preferred alcohol beverage or control beverage, with preceding visual cues indicating whether alcohol (or water) would be delivered...
June 14, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28632303/audition-specific-temporal-processing-deficits-associated-with-language-function-in-children-with-autism-spectrum-disorder
#5
Jennifer H Foss-Feig, Kimberly B Schauder, Alexandra P Key, Mark T Wallace, Wendy L Stone
Sensory processing alterations are highly prevalent in autism spectrum disorder (ASD). Neurobiologically-based theories of ASD propose that abnormalities in the processing of temporal aspects of sensory input could underlie core symptoms of ASD. For example, rapid auditory temporal processing is critical for speech perception, and language difficulties are central to the social communication deficits defining the disorder. This study assessed visual and auditory temporal processing abilities and tested their relation to core ASD symptoms...
June 20, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28631887/thymic-stromal-lymphopoietin-is-expressed-in-human-corneal-stromal-cells-and-secreted-upon-protease-activated-receptor-1-activation
#6
Hongbo Yin, Yan Tian, Rongying Luo, Yingping Deng
Thymic stromal lymphopoietin (TSLP) is an interleukin-7 (IL-7) like cytokine that triggers inflammatory responses through activating dendritic cell. It is demonstrated to be involved in a number of disorders, including cancer, gastrointestinal diseases, and autoimmune diseases. In addition, TSLP is also found to be able to induce itch sensation by directly activating the itch sensory neurons. The expression of human TSLP is detected in various tissues such as heart, liver, testis, and prostate. In this study, we report that TSLP was expressed in the human corneal stromal cells, the highly specialized cells that are critical for the function of the cornea...
June 20, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28631858/sensory-response-in-host-and-engrafted-astrocytes-of-adult-brain-in-vivo
#7
REVIEW
Kuan Zhang, Xiaowei Chen
Rapid advances in Ca(2+) imaging techniques enable us to simultaneously monitor the activities of hundreds of astrocytes in the intact brain, thus providing a powerful tool for understanding the functions of both host and engrafted astrocytes in sensory processing in vivo. These techniques include both improved Ca(2+) indicators and advanced optical recording methods. Astrocytes in multiple cortical and sub-cortical areas are able to respond to the corresponding sensory modalities. These sensory stimuli produce astrocytic Ca(2+) responses through different cellular mechanisms...
June 20, 2017: Glia
https://www.readbyqxmd.com/read/28621219/manualization-of-occupational-therapy-using-ayres-sensory-integration%C3%A2-for-autism
#8
Joanne Hunt, Elke van Hooydonk, Patricia Faller, Zoe Mailloux, Roseann Schaaf
This article reports on the development of a Stage 3 manual (following pilot effectiveness study) for implementing occupational therapy using Ayres Sensory Integration® (OT/ASI) for children with autism spectrum disorders to enhance participation in daily occupations. Three stakeholder groups were surveyed to aid in translation of manual from research to practice (i.e., Stage 3 manual) and an expert consensus meeting was held to finalize recommendations. Data indicated that the manuals usability could be improved by including a section on frequently encountered problems and solutions, and by including video case examples...
July 2017: OTJR: Occupation, Participation and Health
https://www.readbyqxmd.com/read/28614299/homeostatic-circuits-selectively-gate-food-cue-responses-in-insular-cortex
#9
Yoav Livneh, Rohan N Ramesh, Christian R Burgess, Kirsten M Levandowski, Joseph C Madara, Henning Fenselau, Glenn J Goldey, Veronica E Diaz, Nick Jikomes, Jon M Resch, Bradford B Lowell, Mark L Andermann
Physiological needs bias perception and attention to relevant sensory cues. This process is 'hijacked' by drug addiction, causing cue-induced cravings and relapse. Similarly, its dysregulation contributes to failed diets, obesity, and eating disorders. Neuroimaging studies in humans have implicated insular cortex in these phenomena. However, it remains unclear how 'cognitive' cortical representations of motivationally relevant cues are biased by subcortical circuits that drive specific motivational states. Here we develop a microprism-based cellular imaging approach to monitor visual cue responses in the insular cortex of behaving mice across hunger states...
June 14, 2017: Nature
https://www.readbyqxmd.com/read/28611657/vestibular-adaptations-induced-by-gentle-physical-activity-are-reduced-among-older-women
#10
Julien Maitre, Thierry Paillard
The aim of this study was to compare the ability of older individuals to maintain an efficient upright stance in contexts of vestibular sensory manipulation, according to their physical activity status. Two groups of healthy older women (aged over 65) free from any disorders (i.e., neurological, motor and metabolic disorders) and vestibular disturbances, participated in this study. One group comprised participants who regularly practiced gentle physical activities, i.e., soft gym, aquarobic, active walking, ballroom dancing (active group, age: 73...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28607173/tactile-defensiveness-and-impaired-adaptation-of-neuronal-activity-in-the-fmr1-knockout-mouse-model-of-autism
#11
Cynthia X He, Daniel A Cantu, Shilpa S Mantri, William A Zeiger, Anubhuti Goel, Carlos Portera-Cailliau
Sensory hypersensitivity is a common symptom in autism spectrum disorders (ASDs), including Fragile X Syndrome (FXS), and frequently leads to tactile defensiveness. In mouse models of ASDs, there is mounting evidence of neuronal and circuit hyperexcitability in several brain regions, which could contribute to sensory hypersensitivity. However, it is not yet known whether or how sensory stimulation might trigger abnormal sensory processing at the circuit level or abnormal behavioral responses in ASD mouse models, especially during an early developmental time when experience-dependent plasticity shapes such circuits...
June 12, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28605310/stroboscopic-vision-to-induce-sensory-reweighting-during-postural-control
#12
Kyung-Min Kim, Joo-Sung Kim, Dustin R Grooms
CONTEXT: Patients with somatosensory deficits have been found to rely more on visual feedback for postural control. However, current balance tests may be limited in identifying increased visual dependence (sensory reweighting to the visual system), as options are typically limited to eyes open or closed conditions with no progressions between. OBJECTIVE: To assess the capability of stroboscopic glasses to induce sensory reweighting of visual input during single-leg balance...
June 12, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28605017/the-manual-orienting-response-habituation-to-repeated-tactile-stimuli-in-preterm-neonates-discrimination-of-stimulus-locations-and-interstimulus-intervals
#13
Victoria Dumont, Jan Bulla, Nicolas Bessot, Julie Gonidec, Marc Zabalia, Bernard Guillois, Nadège Roche-Labarbe
Preterm infants frequently develop atypical sensory profiles, the tactile modality being particularly affected. However, there is a lack of recent investigation of neonatal tactile perception in a passive context, especially in preterms who are particularly exposed to this tactile stimuli. Our aims were to provide evidence of orienting responses (behavioral modifications directing subject's attention towards stimuli) and habituation to passive tactile stimuli in preterm neonates, to explore their ability to perceive spatial and temporal aspects of the stimulus, and to evaluate the effect of clinical factors on these abilities...
July 2017: Developmental Psychobiology
https://www.readbyqxmd.com/read/28603492/magnetoencephalographic-imaging-of-auditory-and-somatosensory-cortical-responses-in-children-with-autism-and-sensory-processing-dysfunction
#14
Carly Demopoulos, Nina Yu, Jennifer Tripp, Nayara Mota, Anne N Brandes-Aitken, Shivani S Desai, Susanna S Hill, Ashley D Antovich, Julia Harris, Susanne Honma, Danielle Mizuiri, Srikantan S Nagarajan, Elysa J Marco
This study compared magnetoencephalographic (MEG) imaging-derived indices of auditory and somatosensory cortical processing in children aged 8-12 years with autism spectrum disorder (ASD; N = 18), those with sensory processing dysfunction (SPD; N = 13) who do not meet ASD criteria, and typically developing control (TDC; N = 19) participants. The magnitude of responses to both auditory and tactile stimulation was comparable across all three groups; however, the M200 latency response from the left auditory cortex was significantly delayed in the ASD group relative to both the TDC and SPD groups, whereas the somatosensory response of the ASD group was only delayed relative to TDC participants...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28602448/adaptation-of-social-and-non-social-cues-to-direction-in-adults-with-autism-spectrum-disorder-and-neurotypical-adults-with-autistic-traits
#15
Rebecca P Lawson, Jessica Aylward, Jonathan P Roiser, Geraint Rees
Perceptual constancy strongly relies on adaptive gain control mechanisms, which shift perception as a function of recent sensory history. Here we examined the extent to which individual differences in magnitude of adaptation aftereffects for social and non-social directional cues are related to autistic traits and sensory sensitivity in healthy participants (Experiment 1); and also whether adaptation for social and non-social directional cues is differentially impacted in adults with Autism Spectrum Disorder (ASD) relative to neurotypical (NT) controls (Experiment 2)...
May 17, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/28599118/sensory-metrics-of-neuromechanical-trust
#16
William Softky, Criscillia Benford
Today digital sources supply a historically unprecedented component of human sensorimotor data, the consumption of which is correlated with poorly understood maladies such as Internet addiction disorder and Internet gaming disorder. Because both natural and digital sensorimotor data share common mathematical descriptions, one can quantify our informational sensorimotor needs using the signal processing metrics of entropy, noise, dimensionality, continuity, latency, and bandwidth. Such metrics describe in neutral terms the informational diet human brains require to self-calibrate, allowing individuals to maintain trusting relationships...
June 9, 2017: Neural Computation
https://www.readbyqxmd.com/read/28597560/l-dopa-responsiveness-is-associated-with-distinctive-connectivity-patterns-in-advanced-parkinson-s-disease
#17
Harith Akram, Chengyuan Wu, Jonathan Hyam, Thomas Foltynie, Patricia Limousin, Enrico De Vita, Tarek Yousry, Marjan Jahanshahi, Marwan Hariz, Timothy Behrens, John Ashburner, Ludvic Zrinzo
BACKGROUND: Neuronal loss and dopamine depletion alter motor signal processing between cortical motor areas, basal ganglia, and the thalamus, resulting in the motor manifestations of Parkinson's disease. Dopamine replacement therapy can reverse these manifestations with varying degrees of improvement. METHODS: To evaluate functional connectivity in patients with advanced Parkinson's disease and changes in functional connectivity in relation to the degree of response to l-dopa, 19 patients with advanced Parkinson's disease underwent resting-state functional magnetic resonance imaging in the on-medication state...
June 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28596922/noradrenergic-modulation-of-cognition-in-health-and-disease
#18
REVIEW
Olga Borodovitsyna, Matthew Flamini, Daniel Chandler
Norepinephrine released by the locus coeruleus modulates cellular processes and synaptic transmission in the central nervous system through its actions at a number of pre- and postsynaptic receptors. This transmitter system facilitates sensory signal detection and promotes waking and arousal, processes which are necessary for navigating a complex and dynamic sensory environment. In addition to its effects on sensory processing and waking behavior, norepinephrine is now recognized as a contributor to various aspects of cognition, including attention, behavioral flexibility, working memory, and long-term mnemonic processes...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28594866/revisiting-the-co-existence-of-attention-deficit-hyperactivity-disorder-and-chronic-tic-disorder-in-childhood-the-case-of-colour-discrimination-sustained-attention-and-interference-control
#19
Henrik Uebel-von Sandersleben, Björn Albrecht, Aribert Rothenberger, Anke Fillmer-Heise, Veit Roessner, Joseph Sergeant, Rosemary Tannock, Tobias Banaschewski
OBJECTIVE: Attention Deficit / Hyperactivity Disorder (ADHD) and Chronic Tic Disorder (CTD) are two common and frequently co-existing disorders, probably following an additive model. But this is not yet clear for the basic sensory function of colour processing sensitive to dopaminergic functioning in the retina and higher cognitive functions like attention and interference control. The latter two reflect important aspects for psychoeducation and behavioural treatment approaches. METHODS: Colour discrimination using the Farnsworth-Munsell 100-hue Test, sustained attention during the Frankfurt Attention Inventory (FAIR), and interference liability during Colour- and Counting-Stroop-Tests were assessed to further clarify the cognitive profile of the co-existence of ADHD and CTD...
2017: PloS One
https://www.readbyqxmd.com/read/28592687/efferent-inhibition-strength-is-a-physiological-correlate-of-hyperacusis-in-children-with-autism-spectrum-disorder
#20
Uzma S Wilson, Kate M Sadler, Kenneth E Hancock, John J Guinan, Jeffery T Lichtenhan
Autism spectrum disorder (ASD) is a developmental disability that is poorly understood. ASD can influence communication, social interaction, and behavior. Children with ASD often have sensory hypersensitivities, including auditory hypersensitivity (hyperacusis). In adults with hyperacusis who are otherwise neurotypical, the medial olivocochlear (MOC) efferent reflex is stronger than usual. In children with ASD the MOC reflex has been measured, but without also assessing hyperacusis. We assessed the MOC reflex in children with ASD by measuring the strength of MOC-induced inhibition of transient-evoked otoacoustic emissions (TEOAEs), a non-invasive, physiological measure that reflects cochlear amplification...
June 7, 2017: Journal of Neurophysiology
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