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Aphasiology

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https://www.readbyqxmd.com/read/28757671/slowed-articulation-rate-is-a-sensitive-diagnostic-marker-for-identifying-non-fluent-primary-progressive-aphasia
#1
Claire Cordella, Bradford C Dickerson, Megan Quimby, Yana Yunusova, Jordan R Green
BACKGROUND: Primary progressive aphasia (PPA) is a neurodegenerative aphasic syndrome with three distinct clinical variants: non-fluent (nfvPPA), logopenic (lvPPA), and semantic (svPPA). Speech (non-) fluency is a key diagnostic marker used to aid identification of the clinical variants, and researchers have been actively developing diagnostic tools to assess speech fluency. Current approaches reveal coarse differences in fluency between subgroups, but often fail to clearly differentiate nfvPPA from the variably fluent lvPPA...
2017: Aphasiology
https://www.readbyqxmd.com/read/28713191/long-term-recovery-in-stroke-accompanied-by-aphasia-a-reconsideration
#2
Audrey Holland, Davida Fromm, Margaret Forbes, Brian MacWhinney
BACKGROUND: This work focuses on the twenty-six individuals who provided data to AphasiaBank on at least two occasions, with initial testing between 6 months and 5.8 years post-onset of aphasia. The data are archival in nature and were collected from the extensive database of aphasic discourse in AphasiaBank. AIMS: The aim is to furnish data on the nature of long-term changes in both the impairment of aphasia as measured by the Western Aphasia Battery-Revised (WAB-R) and its expression in spoken discourse...
2017: Aphasiology
https://www.readbyqxmd.com/read/28659653/effects-of-semantic-context-on-access-to-words-of-low-imageability-in-deep-phonological-dysphasia-a-treatment-case-study
#3
Laura Mary McCarthy, Michelene Kalinyak-Fliszar, Francine Kohen, Nadine Martin
BACKGROUND: Deep dysphasia is a relatively rare subcategory of aphasia, characterised by word repetition impairment and a profound auditory-verbal short-term memory (STM) limitation. Repetition of words is better than nonwords (lexicality effect) and better for high-image than low-image words (imageability effect). Another related language impairment profile is phonological dysphasia, which includes all of the characteristics of deep dysphasia except for the occurrence of semantic errors in single word repetition...
2017: Aphasiology
https://www.readbyqxmd.com/read/28603329/implicit-learning-and-implicit-treatment-outcomes-in-individuals-with-aphasia
#4
Julia Schuchard, Michaela Nerantzini, Cynthia K Thompson
BACKGROUND: Implicit learning is a process of learning that occurs outside of conscious awareness and may be involved in implicit, exposure-based language training. However, research shows that implicit learning abilities are variable among individuals with aphasia, and it remains unknown whether individuals who show basic implicit learning abilities also benefit from implicit language training. AIMS: The aims of this series of experiments were to test implicit learning in individuals with agrammatic aphasia, examine the effects of a novel implicit language treatment, and investigate whether individuals with aphasia who show implicit learning ability also benefit from implicit treatment focused on passive sentence comprehension...
2017: Aphasiology
https://www.readbyqxmd.com/read/27909354/the-comprehension-of-sentences-with-unaccusative-verbs-in-aphasia-a-test-of-the-intervener-hypothesis
#5
Natalie Sullivan, Matthew Walenski, Tracy Love, Lewis P Shapiro
BACKGROUND: It is well accepted that individuals with agrammatic Broca's aphasia have difficulty comprehending some sentences with filler-gap dependencies. While investigations of these difficulties have been conducted with several different sentence types (e.g., object relatives, Wh-questions), we explore sentences containing unaccusative verbs, which arguably have a single noun phrase (NP) that is base-generated in object position but then is displaced to surface subject position. Unaccusative verbs provide an ideal test case for a particular hypothesis about the comprehension disorder-the Intervener Hypothesis-that posits that the difficulty individuals with agrammatic Broca's aphasia have comprehending sentences containing filler-gap dependencies results from similarity-based interference caused by the presence of an intervening NP between the two elements of a syntactic chain...
2017: Aphasiology
https://www.readbyqxmd.com/read/27279674/the-single-case-reporting-guideline-in-behavioural-interventions-scribe-2016-statement
#6
Robyn L Tate, Michael Perdices, Ulrike Rosenkoetter, William Shadish, Sunita Vohra, David H Barlow, Robert Horner, Alan Kazdin, Thomas Kratochwill, Skye McDonald, Margaret Sampson, Larissa Shamseer, Leanne Togher, Richard Albin, Catherine Backman, Jacinta Douglas, Jonathan J Evans, David Gast, Rumen Manolov, Geoffrey Mitchell, Lyndsey Nickels, Jane Nikles, Tamara Ownsworth, Miranda Rose, Christopher H Schmid, Barbara Wilson
We developed a reporting guideline to provide authors with guidance about what should be reported when writing a paper for publication in a scientific journal using a particular type of research design: the single-case experimental design. This report describes the methods used to develop the Single-Case Reporting guideline In BEhavioural interventions (SCRIBE) 2016. As a result of 2 online surveys and a 2-day meeting of experts, the SCRIBE 2016 checklist was developed, which is a set of 26 items that authors need to address when writing about single-case research...
July 2, 2016: Aphasiology
https://www.readbyqxmd.com/read/27026751/increasing-aphasia-treatment-intensity-in-an-acute-inpatient-rehabilitation-program-a-feasibility-study
#7
Julia Carpenter, Leora R Cherney
BACKGROUND: Intensity of therapy is a critical factor influencing outcomes in aphasia. However, there are many barriers to increasing treatment intensity for those with acute/subacute aphasia including the demands of the inpatient medical facilities and the endurance of the participants. Nevertheless, with some modifications to its original procedures, evidence suggests that Constraint Induced Language Therapy (CILT) may yield positive outcomes when given in the early stages of recovery...
May 1, 2016: Aphasiology
https://www.readbyqxmd.com/read/27087732/telerehabilitation-of-anomia-in-primary-progressive-aphasia
#8
Aaron M Meyer, Heidi R Getz, David M Brennan, Tang M Hu, Rhonda B Friedman
BACKGROUND: The efficacy of telerehabilitation-based treatment for anomia has been demonstrated in post-stroke aphasia, but the efficacy of this method of anomia treatment delivery has not been established within the context of degenerative illness. AIMS: The current study evaluated the feasibility and efficacy of a telerehabilitation-based approach to anomia treatment within the three subtypes of primary progressive aphasia (PPA). METHODS & PROCEDURES: Each of the three telerehabilitation participants represented a distinct subtype of PPA...
April 1, 2016: Aphasiology
https://www.readbyqxmd.com/read/28133407/the-impact-of-dose-on-naming-accuracy-with-persons-with-aphasia
#9
Catherine A Off, Jenna R Griffin, Kristie A Spencer, Margaret Rogers
BACKGROUND: Although aphasia rehabilitation has been shown to be efficacious, many questions remain regarding how best to deliver treatment to maximize functional gains for persons with aphasia. Treatment delivery variables, such as intensity and dosage, are likely to influence both behavioral and structural changes during anomia treatment. While numerous protocols have concluded that treatment intensity positively impacts functional outcomes, few studies to date have examined the role that dose plays in patient outcomes for anomia treatment...
2016: Aphasiology
https://www.readbyqxmd.com/read/27453620/assessing-syntactic-deficits-in-chinese-broca-s-aphasia-using-the-northwestern-assessment-of-verbs-and-sentences-chinese-navs-c
#10
Honglei Wang, Cynthia K Thompson
BACKGROUND: English-speaking patients with Broca's aphasia and agrammatism evince difficulty with complex grammatical structures, including verbs and sentences. A few studies have found similar patterns among Chinese-speaking patients with broca's aphasia, despite structural differences between these two languages. However, no studies have explicitly examined verb properties, including the number and optionality of arguments (participant roles) selected by the verb, and only a few studies have examined sentence deficits among Chinese patients...
2016: Aphasiology
https://www.readbyqxmd.com/read/27429506/semantic-knowledge-use-in-discourse-produced-by-individuals-with-anomic-aphasia
#11
Stephen Kintz, Heather Harris Wright, Gerasimos Fergadiotis
BACKGROUND: Researchers have demonstrated that people with aphasia (PWA) have preserved semantic knowledge (Dell et al., 1997; Jefferies & Lambon Ralph, 2006). However, Antonucci (2014) demonstrated that some PWA have impaired access to certain types of knowledge more than others. Yet, all these studies used single concepts. It has not been demonstrated whether PWA have difficulty accessing certain types of features within a discourse sample. AIMS: The main goals of this study were to determine if semantic knowledge and two category types were used differently within discourse produced by participants with anomic aphasia and healthy controls...
2016: Aphasiology
https://www.readbyqxmd.com/read/27041784/understanding-semantic-and-phonological-processing-deficits-in-adults-with-aphasia-effects-of-category-and-typicality
#12
Erin L Meier, Melody Lo, Swathi Kiran
BACKGROUND: Semantic and phonological processing deficits are often present in aphasia. The degree of interdependence between the deficits has been widely studied with variable findings. Semantic variables such as category and typicality have been found to influence semantic processing in healthy individuals and persons with aphasia but their influence on phonological processing is unknown. AIMS: This study examined the nature of semantic and phonological access in aphasia by comparing adults with aphasia to healthy control participants...
2016: Aphasiology
https://www.readbyqxmd.com/read/26973373/the-effect-of-speaking-rate-on-serial-order-sound-level-errors-in-normal-healthy-controls-and-persons-with-aphasia
#13
Tepanta R D Fossett, Malcolm R McNeil, Sheila R Pratt, Connie A Tompkins, Linda I Shuster
BACKGROUND: Although many speech errors can be generated at either a linguistic or motoric level of production, phonetically well-formed sound-level serial-order errors are generally assumed to result from disruption of phonologic encoding (PE) processes. An influential model of PE (Dell, 1986; Dell, Burger & Svec, 1997) predicts that speaking rate should affect the relative proportion of these serial-order sound errors (anticipations, perseverations, exchanges). These predictions have been extended to, and have special relevance for persons with aphasia (PWA) because of the increased frequency with which speech errors occur and because their localization within the functional linguistic architecture may help in diagnosis and treatment...
2016: Aphasiology
https://www.readbyqxmd.com/read/26512157/the-effect-of-a-sentence-comprehension-treatment-on-discourse-comprehension-in-aphasia
#14
Swathi Kiran, Carrie Des Roches, Sarah Villard, Yorghos Tripodis
BACKGROUND: While it is well understood that individuals with aphasia have difficulty with discourse comprehension, very few studies have examined the nature of discourse comprehension deficits in aphasia and the potential for improvement in discourse comprehension after rehabilitation. To address the first goal, we previously developed the Test of Syntactic Effects on Discourse Comprehension (TSEDC), which provides a measure of the extent to which a participant's sentence comprehension ability aids in comprehending passages (Levy et al...
November 1, 2015: Aphasiology
https://www.readbyqxmd.com/read/25999636/language-and-iconic-gesture-use-in-procedural-discourse-by-speakers-with-aphasia
#15
Madeleine Pritchard, Lucy Dipper, Gary Morgan, Naomi Cocks
Background: Conveying instructions is an everyday use of language, and gestures are likely to be a key feature of this. Although co-speech iconic gestures are tightly integrated with language, and people with aphasia (PWA) produce procedural discourses impaired at a linguistic level, no previous studies have investigated how PWA use co-speech iconic gestures in these contexts. Aims: This study investigated how PWA communicated meaning using gesture and language in procedural discourses, compared with neurologically healthy people (NHP)...
July 3, 2015: Aphasiology
https://www.readbyqxmd.com/read/25632169/conversation-focused-aphasia-therapy-investigating-the-adoption-of-strategies-by-people-with-agrammatism
#16
Suzanne Beeke, Firle Beckley, Fiona Johnson, Claudia Heilemann, Susan Edwards, Jane Maxim, Wendy Best
Background: A recent review of interaction (or conversation)-focused therapy highlighted the potential of programmes targeting the person with aphasia (PWA) directly. However, it noted the key limitations of current work in this field to be a reliance on single case analyses and qualitative evidence of change, a situation that is not unusual when a complex behavioural intervention is in the early stages of development and evaluation. Aims: This article aims to evaluate an intervention that targeted a PWA and their conversation partner (CP), a dyad, as equals in a novel conversation therapy for agrammatic aphasia, using both quantitative and qualitative evidence of change...
March 4, 2015: Aphasiology
https://www.readbyqxmd.com/read/26085708/training-pseudoword-reading-in-acquired-dyslexia-a-phonological-complexity-approach
#17
Ellyn A Riley, Cynthia K Thompson
BACKGROUND: Individuals with acquired phonological dyslexia experience difficulty associating written letters with corresponding sounds, especially in pseudowords. Previous studies have shown that reading can be improved in these individuals by training letter-sound correspondence, practicing phonological skills, or using combined approaches. However, generalization to untrained items is typically limited. AIMS: We investigated whether principles of phonological complexity can be applied to training letter-sound correspondence reading in acquired phonological dyslexia to improve generalization to untrained words...
February 1, 2015: Aphasiology
https://www.readbyqxmd.com/read/28824218/speech-segmentation-in-aphasia
#18
Claudia Peñaloza, Annalisa Benetello, Leena Tuomiranta, Ida-Maria Heikius, Sonja Järvinen, Maria Carmen Majos, Pedro Cardona, Montserrat Juncadella, Matti Laine, Nadine Martin, Antoni Rodríguez-Fornells
BACKGROUND: Speech segmentation is one of the initial and mandatory phases of language learning. Although some people with aphasia have shown a preserved ability to learn novel words, their speech segmentation abilities have not been explored. AIMS: We examined the ability of individuals with chronic aphasia to segment words from running speech via statistical learning. We also explored the relationships between speech segmentation and aphasia severity, and short-term memory capacity...
2015: Aphasiology
https://www.readbyqxmd.com/read/28824217/the-case-for-single-case-studies-in-treatment-research-comments-on-howard-best-and-nickels-optimising-the-design-of-intervention-studies-critiques-and-ways-forward
#19
https://www.readbyqxmd.com/read/26412922/phonological-facilitation-effects-on-naming-latencies-and-viewing-times-during-noun-and-verb-naming-in-agrammatic-and-anomic-aphasia
#20
Jiyeon Lee, Cynthia K Thompson
BACKGROUND: Phonological priming has been shown to facilitate naming in individuals with aphasia as well as healthy speakers, resulting in faster naming latencies. However, the mechanisms of phonological facilitation (PF) in aphasia remain unclear. AIMS: Within discrete vs. interactive models of lexical access, this study examined whether PF occurs via the sub-lexical or lexical route during noun and verb naming in agrammatic and anomic aphasia. METHODS AND PROCEDURES: Thirteen participants with agrammatic aphasia and 10 participants with anomic aphasia and their young and age-matched controls (n=20/each) were tested...
2015: Aphasiology
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