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Auditory processing autism treatment

Russell G Port, William Gaetz, Luke Bloy, Dah-Jyuu Wang, Lisa Blaskey, Emily S Kuschner, Susan E Levy, Edward S Brodkin, Timothy P L Roberts
Autism spectrum disorder (ASD) is hypothesized to arise from imbalances between excitatory and inhibitory neurotransmission (E/I imbalance). Studies have demonstrated E/I imbalance in individuals with ASD and also corresponding rodent models. One neural process thought to be reliant on E/I balance is gamma-band activity (Gamma), with support arising from observed correlations between motor, as well as visual, Gamma and underlying GABA concentrations in healthy adults. Additionally, decreased Gamma has been observed in ASD individuals and relevant animal models, though the direct relationship between Gamma and GABA concentrations in ASD remains unexplored...
October 1, 2016: Autism Research: Official Journal of the International Society for Autism Research
Inga Denman, Meher Banajee, Annette Hurley
OBJECTIVE: Previous research has shown that dichotic listening training has improved auditory and language processing for individuals with large interaural asymmetries on dichotic listening tasks. This training can be a useful treatment for children with autism spectrum disorder (ASD). DESIGN: A single subject, multiple baseline across subjects study was utilized. STUDY SAMPLE: Three children with ASD, between the ages of 8-12, participated in the study...
2015: International Journal of Audiology
Peter H Donaldson, Nicole J Rinehart, Peter G Enticott
Imaging and lesion studies have suggested numerous roles for the temporoparietal junction (TPJ), for example in attention and neglect, social cognition, and self/other processing. These studies cannot establish causal relationships, and the importance and relevance of (and interrelationships between) proposed roles remain controversial. This review examined studies that use noninvasive transcranial stimulation (NTS) to explore TPJ function. Of the 459 studies identified, 40 met selection criteria. The strengths and weaknesses of NTS-relevant parameters used are discussed, and methodological improvements suggested...
August 2015: Neuroscience and Biobehavioral Reviews
Daniel A Rossignol, Richard E Frye
Autism spectrum disorders (ASDs) are a heterogeneous group of neurodevelopmental disorders that are defined solely on the basis of behavioral observations. Therefore, ASD has traditionally been framed as a behavioral disorder. However, evidence is accumulating that ASD is characterized by certain physiological abnormalities, including oxidative stress, mitochondrial dysfunction and immune dysregulation/inflammation. While these abnormalities have been reported in studies that have examined peripheral biomarkers such as blood and urine, more recent studies have also reported these abnormalities in brain tissue derived from individuals diagnosed with ASD as compared to brain tissue derived from control individuals...
2014: Frontiers in Physiology
Bryan M Gee, Kelly Thompson, Holly St John
Sound-based interventions (SBIs) are being used by paediatric occupational therapists to help children with autism spectrum disorders and co-morbid sensory processing disorders. A limited yet growing body of evidence is emerging related to the efficacy of SBIs in reducing sensory processing deficits among paediatric clients with co-morbid conditions. The current study employed an ABA single-subject case-controlled design, implementing The Listening Program® with a 7-year-old child diagnosed with autism spectrum disorder who demonstrated auditory sensory over-responsivity (SOR)...
March 2014: Occupational Therapy International
Marine Grandgeorge, Eric Lemonnier, Céline Degrez, Nelle Jallot
Sensory behaviours were not considered as core features of autism spectrum disorders until recently. However, they constitute an important part of the observed symptoms that result in social maladjustment and are currently quite difficult to treat. One promising strategy for the treatment of these behaviours is the use of bumetanide, which was previously shown to reduce the severity of autism spectrum disorders. In this study, we proposed to evaluate sensory behaviours using Dunn's Sensory Profile after 18 months of bumetanide treatment in a 10-year-old girl with Asperger syndrome...
2014: BMJ Case Reports
Gary Rance, Kerryn Saunders, Peter Carew, Marlin Johansson, Johanna Tan
OBJECTIVES: To evaluate both monaural and binaural processing skills in a group of children with autism spectrum disorder (ASD) and to determine the degree to which personal frequency modulation (radio transmission) (FM) listening systems could ameliorate their listening difficulties. STUDY DESIGN: Auditory temporal processing (amplitude modulation detection), spatial listening (integration of binaural difference cues), and functional hearing (speech perception in background noise) were evaluated in 20 children with ASD...
February 2014: Journal of Pediatrics
Harold P Koller
PURPOSE OF REVIEW: Many children are seen by ophthalmologists because of scholastic difficulties in school initially attributed to eyesight when, in fact, the problem often is a result of a disorder of the brain processing vision. A number of neuropsychological conditions predisposing and affecting children with learning disorders will be described. Visual processing is the main brain function allowing normal perception of what is being viewed. Ophthalmologists as well as patients must realize that with normal 20/20 eyesight interpretation of what is seen may be dysfunctional because of faulty brain processing of that which is seen by normal eyes...
September 2012: Current Opinion in Ophthalmology
Michelle Zimmer, Larry Desch
Sensory-based therapies are increasingly used by occupational therapists and sometimes by other types of therapists in treatment of children with developmental and behavioral disorders. Sensory-based therapies involve activities that are believed to organize the sensory system by providing vestibular, proprioceptive, auditory, and tactile inputs. Brushes, swings, balls, and other specially designed therapeutic or recreational equipment are used to provide these inputs. However, it is unclear whether children who present with sensory-based problems have an actual "disorder" of the sensory pathways of the brain or whether these deficits are characteristics associated with other developmental and behavioral disorders...
June 2012: Pediatrics
Lawrence K Fung, Lovina Chahal, Robin A Libove, Raphael Bivas, Antonio Y Hardan
Although sensory deficits are frequently observed in autistic individuals, pharmacologic interventions targeting these abnormalities are lacking. The goal of this investigation was to assess the effectiveness of aripiprazole in targeting sensory deficits in children and adolescents with autism. Using an outpatient clinic registry for pervasive developmental disorder, 13 individuals who had received aripiprazole for treating disruptive behaviors and had completed behavioral rating scales (aberrant behavior checklist [ABC] and sensory profile questionnaire [SPQ]) were identified...
June 2012: Journal of Child and Adolescent Psychopharmacology
Cheryl D Tierney, Marie Kurtz, Heather Souders
PURPOSE OF REVIEW: Autism, childhood apraxia of speech and central auditory processing disorder are associated with significant disability. These conditions can be more difficult to diagnose. With significant controversy surrounding their definitions and most effective treatment options, understanding these conditions better may optimize outcomes. RECENT FINDINGS: As earlier diagnosis and treatment become more commonplace, the type and intensity of intervention provided continue to be a topic of extensive interest and research...
June 2012: Current Opinion in Pediatrics
Wenlin Liao, Michael J Gandal, Richard S Ehrlichman, Steven J Siegel, Greg C Carlson
Impairments in cortical sensory processing have been demonstrated in Rett syndrome (RTT) and Autism Spectrum Disorders (ASD) and are thought to contribute to high-order phenotypic deficits. However, underlying pathophysiological mechanisms for these abnormalities are unknown. This study investigated auditory sensory processing in a mouse model of RTT with a heterozygous loss of MeCP2 function. Cortical abnormalities in a number of neuropsychiatric disorders, including ASD are reflected in auditory evoked potentials and fields measured by EEG and MEG...
April 2012: Neurobiology of Disease
Yashwant Sinha, Natalie Silove, Andrew Hayen, Katrina Williams
BACKGROUND: Auditory integration therapy was developed as a technique for improving abnormal sound sensitivity in individuals with behavioural disorders including autism spectrum disorders. Other sound therapies bearing similarities to auditory integration therapy include the Tomatis Method and Samonas Sound Therapy. OBJECTIVES: To determine the effectiveness of auditory integration therapy or other methods of sound therapy in individuals with autism spectrum disorders...
2011: Cochrane Database of Systematic Reviews
Maurice J C M Magnée, Beatrice de Gelder, Herman van Engeland, Chantal Kemner
Successful integration of various simultaneously perceived perceptual signals is crucial for social behavior. Recent findings indicate that this multisensory integration (MSI) can be modulated by attention. Theories of Autism Spectrum Disorders (ASDs) suggest that MSI is affected in this population while it remains unclear to what extent this is related to impairments in attentional capacity. In the present study Event-related potentials (ERPs) following emotionally congruent and incongruent face-voice pairs were measured in 23 high-functioning, adult ASD individuals and 24 age- and IQ-matched controls...
2011: PloS One
Shuai-Ting Lin, Pinchen Yang, Chien-Yu Lai, Yu-Yun Su, Yi-Chun Yeh, Mei-Feng Huang, Cheng-Chung Chen
Neuroscientific and clinical studies of music over the past two decades have substantially increased our understanding of its use as a means of therapy. The authors briefly review current literature related to music's effect on people with different mental illnesses, and examine several neurobiological theories that may explain its effectiveness or lack thereof in treating psychiatric disorders. Neuroscientific studies have shown music to be an agent capable of influencing complex neurobiological processes in the brain and suggest that it can potentially play an important role in treatment...
January 2011: Harvard Review of Psychiatry
Catherine Y Wan, Theodor Rüber, Anja Hohmann, Gottfried Schlaug
Music making (playing an instrument or singing) is a multimodal activity that involves the integration of auditory and sensorimotor processes. The ability to sing in humans is evident from infancy, and does not depend on formal vocal training but can be enhanced by training. Given the behavioral similarities between singing and speaking, as well as the shared and distinct neural correlates of both, researchers have begun to examine whether singing can be used to treat some of the speech-motor abnormalities associated with various neurological conditions...
April 1, 2010: Music Perception
Laura B Silverman, Loisa Bennetto, Ellen Campana, Michael K Tanenhaus
This study examined iconic gesture comprehension in autism, with the goal of assessing whether cross-modal processing difficulties impede speech-and-gesture integration. Participants were 19 adolescents with high functioning autism (HFA) and 20 typical controls matched on age, gender, verbal IQ, and socio-economic status (SES). Gesture comprehension was assessed via quantitative analyses of visual fixations during a video-based task, using the visual world paradigm. Participants' eye movements were recorded while they watched videos of a person describing one of four shapes shown on a computer screen, using speech-and-gesture or speech-only descriptions...
June 2010: Cognition
Soonhak Kwon, Jungmi Kim, Byung Ho Choe, Cheolwoo Ko, Sungpa Park
In addition to aberrant features in the speech, children with Autism Spectrum Disorder (ASD) may present unusual responses to sensory stimuli, especially to auditory stimuli. We investigated the auditory ability of children with ASD by using Auditory Brainstem Responses (ABR) as they can directly judge both hearing status and the integrity of auditory brainstem pathways. One hundred twenty-one children (71: ASD; M 58/ F 13, mean age; 41.8 months, 50: control group; M 41/ F 9, mean age; 38 months) were included in the study...
August 2007: Journal of Korean Medical Science
Eva Baharav, Rieko Darling
A minimally verbal child with autism was exposed to short daily sessions of watching his parents on video in conjunction with an FM auditory trainer for a period of 4 weeks. Baseline measures of verbal and social behaviors were taken pre-treatment and repeated post treatment. Results indicate substantial gains in word productions, social orienting, and increased eye contact. Results are discussed in terms of the contributions of auditory-visual processing to establishing communication and socialization in autism and early intervention effectiveness...
April 2008: Journal of Autism and Developmental Disorders
Daniel A Rossignol, Lanier W Rossignol
Autism is a neurodevelopmental disorder that currently affects as many as 1 out of 166 children in the United States. Recent research has discovered that some autistic individuals have decreased cerebral perfusion, evidence of neuroinflammation, and increased markers of oxidative stress. Multiple independent single photon emission computed tomography (SPECT) and positron emission tomography (PET) research studies have revealed hypoperfusion to several areas of the autistic brain, most notably the temporal regions and areas specifically related to language comprehension and auditory processing...
2006: Medical Hypotheses
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