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https://www.readbyqxmd.com/read/29229183/the-elaboration-of-motor-programs-for-the-automation-of-letter-production
#1
Laurence Séraphin Thibon, Silvain Gerber, Sonia Kandel
We investigated how children learn to write letters. Letter writing evolves from stroke-by-stroke to whole-letter programming. Children of ages 6 to 9 (N=98) wrote letters of varying complexity on a digitizer. At ages 6 and 7 movement duration, dysfluency and trajectory increased with stroke number. This indicates that the motor program they activated mainly coded information on stroke production. Stroke number affected the older children's production much less, suggesting that they programmed stroke chunks or the whole letter...
December 8, 2017: Acta Psychologica
https://www.readbyqxmd.com/read/29222570/narrative-language-sampling-in-typical-development-implications-for-clinical-trials
#2
Marie Moore Channell, Susan J Loveall, Frances A Conners, Danielle J Harvey, Leonard Abbeduto
Purpose: This study examined cross-sectional age-related trajectories of expressive language variables (syntactic complexity, lexical diversity, unintelligibility, dysfluency, and talkativeness) derived from a narrative language sampling procedure. Method: Narrative samples were analyzed from 103 typically developing individuals, ages 4-21 years. Results: Results showed that this procedure was effective for the entire age range, with participants producing an utterance on virtually every page of the wordless picture books used to prompt the narrative...
December 7, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/29157667/a-case-of-multiple-system-atrophy-parkinsonian-type-with-stuttering-and-palilalia-like-dysfluencies-and-putaminal-atrophy
#3
Yoshikazu Kikuchi, Toshiro Umezaki, Taira Uehara, Hiroo Yamaguchi, Koji Yamashita, Akio Hiwatashi, Motohiro Sawatsubashi, Kazuo Adachi, Yumi Yamaguchi, Daisuke Murakami, Jun-Ichi Kira, Takashi Nakagawa
Both developmental and acquired stuttering are related to the function of the basal ganglia-thalamocortical loop, which includes the putamen. Here, we present a case of stuttering- and palilalia-like dysfluencies that manifested as an early symptom of multiple system atrophy-parkinsonian type (MSA-P) and bilateral atrophy of the putamen. The patient was a 72-year-old man with no history of developmental stuttering who presented with a stutter for consultation with our otorhinolaryngology department. The patient was diagnosed with MSA-P based on parkinsonism, autonomic dysfunction, and bilateral putaminal atrophy revealed by T2-weighted magnetic resonance imaging...
November 14, 2017: Journal of Fluency Disorders
https://www.readbyqxmd.com/read/29157129/the-impact-of-developmental-dyslexia-and-dysgraphia-on-movement-production-during-word-writing
#4
Sonia Kandel, Delphine Lassus-Sangosse, Géraldine Grosjacques, Cyril Perret
This study investigated how deficits in orthographic processing affect movement production during word writing. Children with dyslexia and dysgraphia wrote words and pseudo-words on a digitizer. The words were orthographically regular and irregular of varying frequency. The group analysis revealed that writing irregular words and pseudo-words increased movement duration and dysfluency. This indicates that the spelling processes were active while the children were writing the words. The impact of these spelling processes was stronger for the children with dyslexia and dysgraphia...
May 2017: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/28859906/a-systematic-linguistic-profile-of-spontaneous-narrative-speech-in-pre-symptomatic-and-early-stage-huntington-s-disease
#5
Wolfram Hinzen, Joana Rosselló, Cati Morey, Estela Camara, Clara Garcia-Gorro, Raymond Salvador, Ruth de Diego-Balaguer
Cognitive decline accompanying the clinically more salient motor symptoms of Huntington's disease (HD) has been widely noted and can precede motor symptoms onset. Less clear is how such decline bears on language functions in everyday life, though a small number of experimental studies have revealed difficulties with the application of rule-based aspects of language in early stages of the disease. Here we aimed to determine whether there is a systematic linguistic profile that characterizes spontaneous narrative speech in both pre-manifest and/or early manifest HD, and how it is related to striatal degeneration and neuropsychological profiles...
August 9, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28835863/clozapine-induced-microseizures-orofacial-dyskinesia-and-speech-dysfluency-in-an-adolescent-with-treatment-resistant-early-onset-schizophrenia-on-concurrent-lithium-therapy
#6
Vivekananda Rachamallu, Ayman Haq, Michael M Song, Manish Aligeti
Clozapine is an atypical antipsychotic used in the treatment of refractory schizophrenia. It has a well-known side effect profile, including agranulocytosis, decreased seizure threshold, and tardive dyskinesia. In addition, numerous case reports have described clozapine-induced stuttering in adults. However, there has been only one previous case report describing it in the adolescent population. In addition, concurrent lithium therapy has been shown to enhance the neurotoxic effects of antipsychotics and lower the seizure threshold...
2017: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/28746463/speech-fluency-profile-on-different-tasks-for-individuals-with-parkinson-s-disease
#7
Fabiola Staróbole Juste, Claudia Regina Furquim de Andrade
Purpose: To characterize the speech fluency profile of patients with Parkinson's disease. Methods: Study participants were 40 individuals of both genders aged 40 to 80 years divided into 2 groups: Research Group - RG (20 individuals with diagnosis of Parkinson's disease) and Control Group - CG (20 individuals with no communication or neurological disorders). For all of the participants, three speech samples involving different tasks were collected: monologue, individual reading, and automatic speech...
July 20, 2017: CoDAS
https://www.readbyqxmd.com/read/28609510/a-comparison-of-coverbal-gesture-use-in-oral-discourse-among-speakers-with-fluent-and-nonfluent-aphasia
#8
Anthony Pak-Hin Kong, Sam-Po Law, Gigi Wan-Chi Chak
Purpose: Coverbal gesture use, which is affected by the presence and degree of aphasia, can be culturally specific. The purpose of this study was to compare gesture use among Cantonese-speaking individuals: 23 neurologically healthy speakers, 23 speakers with fluent aphasia, and 21 speakers with nonfluent aphasia. Method: Multimedia data of discourse samples from these speakers were extracted from the Cantonese AphasiaBank. Gestures were independently annotated on their forms and functions to determine how gesturing rate and distribution of gestures differed across speaker groups...
June 13, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28577876/a-preliminary-study-on-the-neural-oscillatory-characteristics-of-motor-preparation-prior-to-dysfluent-and-fluent-utterances-in-adults-who-stutter
#9
Anna Mersov, Douglas Cheyne, Cecilia Jobst, Luc De Nil
PURPOSE: Recent literature on speech production in adults who stutter (AWS) has begun to investigate the neural mechanisms characterizing speech-motor preparation prior to speech onset. Compelling evidence has suggested that stuttering is associated with atypical processing within cortical and sub-cortical motor networks, particularly in the beta frequency range, that is effective before speech production even begins. Due to low stuttering frequency in experimental settings, however, the literature has so far predominantly reported on fluent speech production in AWS...
May 17, 2017: Journal of Fluency Disorders
https://www.readbyqxmd.com/read/28572606/automated-screening-for-fragile-x-premutation-carriers-based-on-linguistic-and-cognitive-computational-phenotypes
#10
Arezoo Movaghar, Marsha Mailick, Audra Sterling, Jan Greenberg, Krishanu Saha
Millions of people globally are at high risk for neurodegenerative disorders, infertility or having children with a disability as a result of the Fragile X (FX) premutation, a genetic abnormality in FMR1 that is underdiagnosed. Despite the high prevalence of the FX premutation and its effect on public health and family planning, most FX premutation carriers are unaware of their condition. Since genetic testing for the premutation is resource intensive, it is not practical to screen individuals for FX premutation status using genetic testing...
June 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28450839/investigating-the-prospective-sense-of-agency-effects-of-processing-fluency-stimulus-ambiguity-and-response-conflict
#11
Nura Sidarus, Matti Vuorre, Janet Metcalfe, Patrick Haggard
How do we know how much control we have over our environment? The sense of agency refers to the feeling that we are in control of our actions, and that, through them, we can control our external environment. Thus, agency clearly involves matching intentions, actions, and outcomes. The present studies investigated the possibility that processes of action selection, i.e., choosing what action to make, contribute to the sense of agency. Since selection of action necessarily precedes execution of action, such effects must be prospective...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28229314/understanding-etiology-of-hearing-loss-as-a-contributor-to-language-dysfluency-and-its-impact-on-assessment-and-treatment-of-people-who-are-deaf-in-mental-health-settings
#12
Charlene J Crump, Stephen H Hamerdinger
Working with individuals who are deaf in mental health settings can be complex work, necessitating consideration for the difference in language abilities. These differences include not only the language differences of American Sign Language (ASL) and English, but also the range of heterogeneity within the Deaf Community. Multiple influences such as mental illness, medical conditions, language deprivation and the etiology of deafness can impact how a person acquires and uses language. This article will discuss how various causes of deafness create the potential for specific language dysfluencies with individuals who are deaf in mental health settings...
November 2017: Community Mental Health Journal
https://www.readbyqxmd.com/read/28204923/language-deprivation-syndrome-a-possible-neurodevelopmental-disorder-with-sociocultural-origins
#13
Wyatte C Hall, Leonard L Levin, Melissa L Anderson
PURPOSE: There is a need to better understand the epidemiological relationship between language development and psychiatric symptomatology. Language development can be particularly impacted by social factors-as seen in the developmental choices made for deaf children, which can create language deprivation. A possible mental health syndrome may be present in deaf patients with severe language deprivation. METHODS: Electronic databases were searched to identify publications focusing on language development and mental health in the deaf population...
June 2017: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/28144622/the-effects-of-pitch-shifts-on-delay-induced-changes-in-vocal-sequencing-in-a-songbird
#14
MacKenzie Wyatt, Emily A Berthiaume, Conor W Kelly, Samuel J Sober
Like human speech, vocal behavior in songbirds depends critically on auditory feedback. In both humans and songbirds, vocal skills are acquired by a process of imitation whereby current vocal production is compared to an acoustic target. Similarly, performance in adulthood relies strongly on auditory feedback, and online manipulations of auditory signals can dramatically alter acoustic production even after vocalizations have been well learned. Artificially delaying auditory feedback can disrupt both speech and birdsong, and internal delays in auditory feedback have been hypothesized as a cause of vocal dysfluency in persons who stutter...
January 2017: ENeuro
https://www.readbyqxmd.com/read/27919003/altered-patterns-of-directed-connectivity-within-the-reading-network-of-dyslexic-children-and-their-relation-to-reading-dysfluency
#15
Gojko Žarić, João M Correia, Gorka Fraga González, Jurgen Tijms, Maurtis W van der Molen, Leo Blomert, Milene Bonte
Reading is a complex cognitive skill subserved by a distributed network of visual and language-related regions. Disruptions of connectivity within this network have been associated with developmental dyslexia but their relation to individual differences in the severity of reading problems remains unclear. Here we investigate whether dysfunctional connectivity scales with the level of reading dysfluency by examining EEG recordings during visual word and false font processing in 9-year-old typically reading children (TR) and two groups of dyslexic children: severely dysfluent (SDD) and moderately dysfluent (MDD) dyslexics...
February 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/27873409/is-the-long-case-dead-uh-i-don-t-think-so-the-uh-um-index
#16
Robbert Duvivier, Martin Veysey
Current tools for clinical assessment are tedious and time-consuming, particularly the dreadful long case. There is a need for novel instruments that incorporate other aspects of competence. We propose such a method, namely the Uh/Um Index. Our innovation paper describes the rationale for using speech dysfluency and occurrences of filler words such as 'uh' and 'um' as a proxy for competence. This appears to have won initial support from senior clinicians in our institution. Additional research is needed (non-restricted grants are welcomed) to establish rigorous standard setting and to fund our attendance at overseas conferences to make the Uh/Um Index the new buzzword in medical education...
December 2016: Medical Education
https://www.readbyqxmd.com/read/27833009/anomaly-in-neural-phase-coherence-accompanies-reduced-sensorimotor-integration-in-adults-who-stutter
#17
Ranit Sengupta, Shalin Shah, Katie Gore, Torrey Loucks, Sazzad M Nasir
Despite advances in our understanding of the human speech system, the neurophysiological basis of stuttering remains largely unknown. Here, it is hypothesized that the speech of adults who stutter (AWS) is susceptible to disruptions in sensorimotor integration caused by neural miscommunication within the speech motor system. Human speech unfolds over rapid timescales and relies on a distributed system of brain regions working in a parallel and synchronized manner, and a breakdown in neural communication between the putative brain regions could increase susceptibility to dysfluency...
December 2016: Neuropsychologia
https://www.readbyqxmd.com/read/27790240/lack-of-frank-agrammatism-in-the-nonfluent-agrammatic-variant-of-primary-progressive-aphasia
#18
Naida L Graham, Carol Leonard, David F Tang-Wai, Sandra Black, Tiffany W Chow, Chris J M Scott, Alicia A McNeely, Mario Masellis, Elizabeth Rochon
BACKGROUND/AIMS: Frank agrammatism, defined as the omission and/or substitution of grammatical morphemes with associated grammatical errors, is variably reported in patients with nonfluent variant primary progressive aphasia (nfPPA). This study addressed whether frank agrammatism is typical in agrammatic nfPPA patients when this feature is not required for diagnosis. METHOD: We assessed grammatical production in 9 patients who satisfied current diagnostic criteria...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/27583986/do-age-related-word-retrieval-difficulties-appear-or-disappear-in-connected-speech
#19
Gitit Kavé, Mira Goral
We conducted a comprehensive literature review of studies of word retrieval in connected speech in healthy aging and reviewed relevant aphasia research that could shed light on the aging literature. Four main hypotheses guided the review: (1) Significant retrieval difficulties would lead to reduced output in connected speech. (2) Significant retrieval difficulties would lead to a more limited lexical variety in connected speech. (3) Significant retrieval difficulties would lead to an increase in word substitution errors and in pronoun use as well as to greater dysfluency and hesitation in connected speech...
September 1, 2016: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/27545684/speech-and-gait-in-parkinson-s-disease-when-rhythm-matters
#20
Lucia Ricciardi, Michela Ebreo, Adriana Graziosi, Marianna Barbuto, Chiara Sorbera, Letterio Morgante, Francesca Morgante
INTRODUCTION: Speech disturbances in Parkinson's disease (PD) are heterogeneous, ranging from hypokinetic to hyperkinetic types. Repetitive speech disorder has been demonstrated in more advanced disease stages and has been considered the speech equivalent of freezing of gait (FOG). We aimed to verify a possible relationship between speech and FOG in patients with PD. METHODS: Forty-three consecutive PD patients and 20 healthy control subjects underwent standardized speech evaluation using the Italian version of the Dysarthria Profile (DP), for its motor component, and subsets of the Battery for the Analysis of the Aphasic Deficit (BADA), for its procedural component...
November 2016: Parkinsonism & related Disorders
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