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Phonological processes

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https://www.readbyqxmd.com/read/28229468/time-will-tell-a-longitudinal-investigation-of-brain-behavior-relationships-during-reading-development
#1
Mallory C Stites, Sarah Laszlo
ERPs are a powerful tool for the study of reading, as they are both temporally precise and functionally specific. These are essential characteristics for studying a process that unfolds rapidly and consists of multiple, interactive subprocesses. In work with adults, clear, specific models exist linking components of the ERP with individual subprocesses of reading including orthographic decoding, phonological processing, and semantic access (e.g., Grainger & Holcomb, 2009). The relationships between ERP components and reading subprocesses are less clear in development; here, we address two questions regarding these relationships...
February 23, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28223953/predicting-future-reading-problems-based-on-pre-reading-auditory-measures-a-longitudinal-study-of-children-with-a-familial-risk-of-dyslexia
#2
Jeremy M Law, Maaike Vandermosten, Pol Ghesquière, Jan Wouters
Purpose: This longitudinal study examines measures of temporal auditory processing in pre-reading children with a family risk of dyslexia. Specifically, it attempts to ascertain whether pre-reading auditory processing, speech perception, and phonological awareness (PA) reliably predict later literacy achievement. Additionally, this study retrospectively examines the presence of pre-reading auditory processing, speech perception, and PA impairments in children later found to be literacy impaired. Method: Forty-four pre-reading children with and without a family risk of dyslexia were assessed at three time points (kindergarten, first, and second grade)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28213115/cross-modal-representation-of-spoken-and-written-word-meaning-in-left-pars-triangularis
#3
Antonietta Gabriella Liuzzi, Rose Bruffaerts, Ronald Peeters, Katarzyna Adamczuk, Emmanuel Keuleers, Simon De Deyne, Gerrit Storms, Patrick Dupont, Rik Vandenberghe
The correspondence in meaning extracted from written versus spoken input remains to be fully understood neurobiologically. Here, in a total of 38 subjects, the functional anatomy of cross-modal semantic similarity for concrete words was determined based on a dual criterion: First, a voxelwise univariate analysis had to show significant activation during a semantic task (property verification) performed with written and spoken concrete words compared to the perceptually matched control condition. Second, in an independent dataset, in these clusters, the similarity in fMRI response pattern to two distinct entities, one presented as a written and the other as a spoken word, had to correlate with the similarity in meaning between these entities...
February 14, 2017: NeuroImage
https://www.readbyqxmd.com/read/28201838/phonological-treatment-approaches-for-spoken-word-production-in-aphasia
#4
Elizabeth Brookshire Madden, Reva M Robinson, Diane L Kendall
This article provides an overview of phonological treatment approaches for anomia in individuals with aphasia. The role of phonology in language processing, as well as the impact of phonological impairment on communication is initially discussed. Then, traditional phonologically based treatment approaches, including phonological, orthographic, indirect, guided, and mixed cueing methods, are described. Collectively, these cueing treatment approaches aim to facilitate word retrieval by stimulating residual phonological abilities...
February 2017: Seminars in Speech and Language
https://www.readbyqxmd.com/read/28201836/working-memory-in-aphasia-considering-discourse-processing-and-treatment-implications
#5
Amy Henderson, Hana Kim, Stephen Kintz, Nicole Frisco, Heather Harris Wright
Evidence suggests that persons with aphasia (PWAs) present with working memory impairments that affect a variety of language tasks. Most of these studies have focused on the phonological loop component of working memory and little attention has been paid to the episodic buffer component. The episodic buffer, as a limited capacity, multimodal system that binds and integrates information from the phonological loop, visuospatial sketchpad, and long-term memory would likely be involved in discourse processing. The purposes of this article were to (1) review discourse level deficits associated with aphasia, (2) describe how a deficit at the level of the episodic buffer could cause such deficits, (3) to review discourse treatment approaches for PWAs, and (4) present preliminary results from a novel discourse treatment study for PWAs...
February 2017: Seminars in Speech and Language
https://www.readbyqxmd.com/read/28201834/short-term-memory-and-aphasia-from-theory-to-treatment
#6
Irene Minkina, Samantha Rosenberg, Michelene Kalinyak-Fliszar, Nadine Martin
This article reviews existing research on the interactions between verbal short-term memory and language processing impairments in aphasia. Theoretical models of short-term memory are reviewed, starting with a model assuming a separation between short-term memory and language, and progressing to models that view verbal short-term memory as a cognitive requirement of language processing. The review highlights a verbal short-term memory model derived from an interactive activation model of word retrieval. This model holds that verbal short-term memory encompasses the temporary activation of linguistic knowledge (e...
February 2017: Seminars in Speech and Language
https://www.readbyqxmd.com/read/28193124/what-s-in-a-word-observing-the-contribution-of-underlying-and-surface-representations
#7
Yu-Fu Chien, Joan A Sereno, Jie Zhang
underlying representations play a crucial role in capturing predictable relations among different phonetic categories in phonological theory. Tone sandhi is a tonal alternation phenomenon in which a tone changes to a different tone in certain phonological environments. This study investigates whether Taiwanese listeners are more sensitive to the surface form of the tones or the underlying tonal representations of tone sandhi words. An auditory lexical decision experiment was conducted to examine priming effects between monosyllabic primes and disyllabic target words (tone sandhi T51 → T55 and sandhi T24 → T33)...
February 1, 2017: Language and Speech
https://www.readbyqxmd.com/read/28188455/individual-differences-in-orthographic-priming-relate-to-phonological-decoding-skill-in-adults
#8
Suzanne E Welcome, Emma R Trammel
We examined relationships between individual differences in orthographic priming and a battery of measures assessing orthographic processing ability, reading history, current reading ability, and verbal intelligence in university students. Pronounceable and unpronounceable nonword primes preceded word and nonword targets. Individual differences in nonword reading skill and other measures of reading and spelling ability were associated with the degree of orthographic priming. Individuals with less phonological decoding skill benefited more from anagram primes for word targets preceded by unpronounceable primes and nonword targets preceded by pronounceable primes...
February 10, 2017: Cognitive Processing
https://www.readbyqxmd.com/read/28186656/phenotype-and-genotype-specific-structural-alterations-in-spasmodic-dysphonia
#9
Serena Bianchi, Giovanni Battistella, Hailey Huddleston, Rebecca Scharf, Lazar Fleysher, Anna F Rumbach, Steven J Frucht, Andrew Blitzer, Laurie J Ozelius, Kristina Simonyan
BACKGROUND: Spasmodic dysphonia is a focal dystonia characterized by involuntary spasms in the laryngeal muscles that occur selectively during speaking. Although hereditary trends have been reported in up to 16% of patients, the causative etiology of spasmodic dysphonia is unclear, and the influences of various phenotypes and genotypes on disorder pathophysiology are poorly understood. In this study, we examined structural alterations in cortical gray matter and white matter integrity in relationship to different phenotypes and putative genotypes of spasmodic dysphonia to elucidate the structural component of its complex pathophysiology...
February 10, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28163387/how-working-memory-relates-to-children-s-reading-comprehension-the-importance-of-domain-specificity-in-storage-and-processing
#10
Suzan Nouwens, Margriet A Groen, Ludo Verhoeven
Working memory is considered a well-established predictor of individual variation in reading comprehension in children and adults. However, how storage and processing capacities of working memory in both the phonological and semantic domain relate to reading comprehension is still unclear. In the current study, we investigated the contribution of phonological and semantic storage, and phonological and semantic processing to reading comprehension in 123 Dutch children in fifth grade. We conducted regression and mediation analyses to find out to what extent variation in reading comprehension could be explained by storage and processing capacities in both the phonological and the semantic domain, while controlling for children's decoding and vocabulary...
2017: Reading and Writing
https://www.readbyqxmd.com/read/28163139/automaticity-of-phonological-and-semantic-processing-during-visual-word-recognition
#11
Chotiga Pattamadilok, Valérie Chanoine, Christophe Pallier, Jean-Luc Anton, Bruno Nazarian, Pascal Belin, Johannes C Ziegler
Reading involves activation of phonological and semantic knowledge. Yet, the automaticity of the activation of these representations remains subject to debate. The present study addressed this issue by examining how different brain areas involved in language processing responded to a manipulation of bottom-up (level of visibility) and top-down information (task demands) applied to written words. The analyses showed that the same brain areas were activated in response to written words whether the task was symbol detection, rime detection, or semantic judgment...
February 3, 2017: NeuroImage
https://www.readbyqxmd.com/read/28160753/lateralization-of-language-function-in-epilepsy-patients-a-high-density-scalp-derived-event-related-potentials-erp-study
#12
Karin Trimmel, Jens Sachsenweger, Gerald Lindinger, Eduard Auff, Fritz Zimprich, Ekaterina Pataraia
OBJECTIVES: Language functional magnetic resonance imaging (fMRI) represents the clinical standard for language lateralization assessment in presurgical epilepsy evaluation, but still many patients experience postoperative language deficits. Event-related potentials (ERPs), especially the negative component around and after 400ms, are related to language processing and could therefore represent a complementary method of language lateralization assessment. METHODS: Scalp EEG was recorded from 64 locations in 36 epilepsy patients and 37 controls during three visually presented language tasks: A short-term language memory task (differentiation memorized vs...
January 12, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28158201/children-show-right-lateralized-effects-of-spoken-word-form-learning
#13
Anni Nora, Leena Karvonen, Hanna Renvall, Tiina Parviainen, Jeong-Young Kim, Elisabet Service, Riitta Salmelin
It is commonly thought that phonological learning is different in young children compared to adults, possibly due to the speech processing system not yet having reached full native-language specialization. However, the neurocognitive mechanisms of phonological learning in children are poorly understood. We employed magnetoencephalography (MEG) to track cortical correlates of incidental learning of meaningless word forms over two days as 6-8-year-olds overtly repeated them. Native (Finnish) pseudowords were compared with words of foreign sound structure (Korean) to investigate whether the cortical learning effects would be more dependent on previous proficiency in the language rather than maturational factors...
2017: PloS One
https://www.readbyqxmd.com/read/28144832/cognitive-basis-of-individual-differences-in-speech-perception-production-and-representations-the-role-of-domain-general-attentional-switching
#14
Jinghua Ou, Sam-Po Law
This study investigated whether individual differences in cognitive functions, attentional abilities in particular, were associated with individual differences in the quality of phonological representations, resulting in variability in speech perception and production. To do so, we took advantage of a tone merging phenomenon in Cantonese, and identified three groups of typically developed speakers who could differentiate the two rising tones (high and low rising) in both perception and production [+Per+Pro], only in perception [+Per-Pro], or in neither modalities [-Per-Pro]...
January 31, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28135902/mapping-common-aphasia-assessments-to-underlying-cognitive-processes-and-their-neural-substrates
#15
Elizabeth H Lacey, Laura M Skipper-Kallal, Shihui Xing, Mackenzie E Fama, Peter E Turkeltaub
BACKGROUND: Understanding the relationships between clinical tests, the processes they measure, and the brain networks underlying them, is critical in order for clinicians to move beyond aphasia syndrome classification toward specification of individual language process impairments. OBJECTIVE: To understand the cognitive, language, and neuroanatomical factors underlying scores of commonly used aphasia tests. METHODS: Twenty-five behavioral tests were administered to a group of 38 chronic left hemisphere stroke survivors and a high-resolution magnetic resonance image was obtained...
January 1, 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28134569/arithmetic-abilities-in-children-with-developmental-dyslexia
#16
Maryse De Clercq-Quaegebeur, Séverine Casalis, Bruno Vilette, Marie-Pierre Lemaitre, Louis Vallée
A high comorbidity between reading and arithmetic disabilities has already been reported. The present study aims at identifying more precisely patterns of arithmetic performance in children with developmental dyslexia, defined with severe and specific criteria. By means of a standardized test of achievement in mathematics ( Calculation and Number Processing Assessment Battery for Children; von Aster & Dellatolas, 2006), we analyzed the arithmetic abilities of 47 French children with dyslexia attending 3rd, 4th, and 5th grade...
January 1, 2017: Journal of Learning Disabilities
https://www.readbyqxmd.com/read/28131811/activation-of-writing-specific-brain-regions-when-reading-chinese-as-a-second-language-effects-of-training-modality-and-transfer-to-novel-characters
#17
Aurélie Lagarrigue, Marieke Longcamp, Jean Luc Anton, Bruno Nazarian, Laurent Prévot, Jean-Luc Velay, Fan Cao, Cheryl Frenck-Mestre
We examined the implication of training modality on the cortical representation of Chinese words in adult learners of Chinese. In particular, we tested the implication of the neural substrates of writing in a reading task. The brain network sustaining finger writing was defined neuroanatomically based on an independent functional localizer, and brain activations during reading were analysed according to the position of the activation peaks in this localizer. We compared the brain activation elicited by Chinese words learned via writing vs...
January 25, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28131533/auditory-brainstem-responses-to-stop-consonants-predict-literacy
#18
Nicole E Neef, Gesa Schaadt, Angela D Friederici
OBJECTIVE: Precise temporal coding of speech plays a pivotal role in sound processing throughout the central auditory system, which, in turn, influences literacy acquisition. The current study tests whether an electrophysiological measure of this precision predicts literacy skills. METHODS: Complex auditory brainstem responses were analysed from 62 native German-speaking children aged 11-13years. We employed the cross-phaseogram approach to compute the quality of the electrophysiological stimulus contrast [da] and [ba]...
December 18, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28131010/electrophysiological-basis-of-reading-related-phonological-impairment-in-chinese-speakers-with-schizophrenia-an-erp-study
#19
Jiuju Wang, Qi Liu, Taeko N Wydell, Jinmin Liao, Fang Wang, Wenxiang Quan, Ju Tian, Pengfei Wang, Jin Liu, Wentian Dong
It has been reported in alphabetic languages that individuals with schizophrenia showed language-related cognitive impairments including phonological deficits, which were in turn associated with clinical symptoms such as auditory hallucinations and thought disorders. To date, however, the phonological deficits involved in schizophrenia in Chinese and its neural basis have not been well established. In order to establish such a relationship we conducted a behavioral study using lexical tone judgment and digit span tasks as well as an event-related potential (ERP) study with an auditory oddball paradigm, in particular, for P300 effects, the event-related brain potential (ERP) index of discrimination...
January 11, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28129060/an-association-between-auditory-visual-synchrony-processing-and-reading-comprehension-behavioral-and-electrophysiological-evidence
#20
Julia Mossbridge, Jacob Zweig, Marcia Grabowecky, Satoru Suzuki
The perceptual system integrates synchronized auditory-visual signals in part to promote individuation of objects in cluttered environments. The processing of auditory-visual synchrony may more generally contribute to cognition by synchronizing internally generated multimodal signals. Reading is a prime example because the ability to synchronize internal phonological and/or lexical processing with visual orthographic processing may facilitate encoding of words and meanings. Consistent with this possibility, developmental and clinical research has suggested a link between reading performance and the ability to compare visual spatial/temporal patterns with auditory temporal patterns...
March 2017: Journal of Cognitive Neuroscience
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