I'm Interested in language impairments and how they can be represented in models from linguistics and cognitive neuropsychology.
Israel
Joined August 2020
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Classification of lexical retrieval impairments in #PPA
Lexical retrieval deficits in PPA are usually sorted broadly into semantic or phonological. But lexical retrieval is a complex process that can break down at several points. What are the functional impairments in PPA? >>
We assessed 40 Hebrew speakers with PPA using a battery of production and comprehension tasks, and classified every naming error. We identified the functional locus of each participant's deficit within a cognitive neuropsychological model of lexical retrieval. >>
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PPA is heterogeneous: different participants had deficits at different components.
This is the first systematic description of PPA in Hebrew. More to come!
With @FriedmannNaama, @OphirKeret and Amir Glik in Aphasiology:
doi.org/10.1080/02687038.202…
Lexical retrieval is usually modeled on single, simplex words. But words appear in sentences, and can be morphologically complex (almost every Hebrew word!).
With @FriedmannNaama we tested 23 speakers with language impairment and built a model of how Hebrew verbs are retrieved>>
We compared transitivity alternations, where morphology is tied to argument structure, with cases where it isn't. Speakers with argument-structure deficits substitute morphology only in alternating verbs; those with deficits in phonological stages, in all verb types and nouns >>
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In the model, morphology is distributed across cognitive components, and the components differ in what counts as a discrete unit of representation.
Paper in Cognitive Neuropsychology: doi.org/10.1080/02643294.202…
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אני מחפש מתנדבים למחקר: דוברי עברית בני 50+ ללא קושי בשפה או קריאה.
פגישת זום קצרה (כחצי שעה) עם משימות פשוטות כמו קריאת מילים וחזרה על משפטים.
המחקר עוסק באפאזיה, ליקוי שפה בעקבות פגיעה מוחית, ולצורך השוואה נדרשים גם אנשים ללא ליקוי.
להרשמה - forms.gle/ZvHVtEAZ5FUddsVn8
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Yuval Katz retweeted
בלשנים? מריצים ניסויים בעברית? בניתי כלי שמייצר בשבילכם מילות תפל בעברית
limot-fetel.ishefi.com/
Yuval Katz retweeted
יום עיון לזכרו של פרופ' אליהוא כ"ץ ייערך במסגרת הכנס המקדים של כנס @icahdq.
הכנס מאורגן על ידי @HujiComm ו-@USCAnnenberg ו-@AnnenbergPenn ובהשתתפות חוקרות וחוקרים מובילים מהארץ ומהעולם.
פרטים מלאים והרשמה: legacies-of-katz.pubpub.org/
Yuval Katz retweeted
A lovely language session today at #ISCOP23.@YuvalK_language presented our work with @OphirKeret on progressive aphasia. Using cognitive-language models we can pinpoint the deficit of each patient (in red in the picture) beyond the 3 variants, raising hopes for targeted treatment
Yuval Katz retweeted
A conference in honor of the retirement of Prof. Mira Ariel, Prof. Outi Bat-El, and Prof. Julia Horvath
I had so much fun discussing linguistic models of aphasia with the bright and diverse group of @emcl_eu students and the wonderful people at @univgroningen. Thanks you @adrofes!
So good to have Yuval Katz as a guest lecturer for EMCL++! Thank you for the very enriching discussions (and for the treats!). Keep in touch! @emcl_eu @univgroningen @YuvalK_language
Our poster at #AoA2022
At #AoA2022 today, @YuvalK_language wonderfully presents our work with @OphirKeret showing that using models from the post-stroke aphasia world would be very useful for pinpointing the functional locus in PPA, much more than the current 3 variants.
On Wednesday I presented my work with @GurShalom Ronit Szterman and @FriedmannNaama at #IATL37 on processing of A'-movement and pronoun dependencies in developmental disorders. It was so fun having IATL in person again!
There is a one-way dissociation: there are children who have impaired A-bar but intact pronouns. some children are impaired in both. All of our participants who had intact A-bar also had intact pronouns.
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Yuval Katz retweeted
when we retrieve words we seldom do it outside of a sentence. @YuvalK_language beautifully presented a model that we work on, in which we try to incorporate syntax into the lexical retrieval model, and how it processes morphologically complex verbs
