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  1. Article ; Online: Dissociation between two aspects of procedural learning in Tourette syndrome: Enhanced statistical and impaired sequence learning.

    Tóth-Fáber, Eszter / Tárnok, Zsanett / Janacsek, Karolina / Kóbor, Andrea / Nagy, Péter / Farkas, Bence Csaba / Oláh, Szabina / Merkl, Dóra / Hegedűs, Orsolya / Nemeth, Dezso / Takács, Ádám

    Child neuropsychology : a journal on normal and abnormal development in childhood and adolescence

    2021  Volume 27, Issue 6, Page(s) 799–821

    Abstract: Tourette syndrome (TS) is a childhood-onset neurodevelopmental disorder that primarily affects the cortico-basal ganglia-thalamo-cortical (CBGTC) circuitry and is characterized by motor and vocal tics. Previous studies have found enhancement in ... ...

    Abstract Tourette syndrome (TS) is a childhood-onset neurodevelopmental disorder that primarily affects the cortico-basal ganglia-thalamo-cortical (CBGTC) circuitry and is characterized by motor and vocal tics. Previous studies have found enhancement in procedural memory, which depends on the CBGTC circuitry and plays an important role in the learning and processing of numerous motor, social, and cognitive skills and habits. Based on these studies, procedural hyperfunctioning in TS has been proposed. However, the neurocognitive mechanism underlying such hyperfunctioning is poorly understood. Here, we investigated how two aspects of procedural learning, namely 1) frequency-based statistical learning and 2) order-based sequence learning, are affected in TS. Twenty-one children with TS between the ages of ten and fifteen as well as 21 typically developing controls were tested on a probabilistic sequence learning task that enables the parallel assessment of these two aspects. We found that children with TS showed enhanced sensitivity to statistical information but impaired sequence learning compared to typically developing children. The deconstruction of procedural memory suggests that procedural hyperfunctioning in TS may be supported by enhanced sensitivity to statistical information. These results can provide a potential path for improving therapy methods and skill-oriented educational programs for TS.
    MeSH term(s) Basal Ganglia ; Child ; Humans ; Learning ; Tourette Syndrome
    Language English
    Publishing date 2021-03-09
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1262599-1
    ISSN 1744-4136 ; 0929-7049
    ISSN (online) 1744-4136
    ISSN 0929-7049
    DOI 10.1080/09297049.2021.1894110
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Impairment of visually guided associative learning in children with Tourette syndrome.

    Eördegh, Gabriella / Pertich, Ákos / Tárnok, Zsanett / Nagy, Péter / Bodosi, Balázs / Giricz, Zsófia / Hegedűs, Orsolya / Merkl, Dóra / Nyujtó, Diána / Oláh, Szabina / Őze, Attila / Vidomusz, Réka / Nagy, Attila

    PloS one

    2020  Volume 15, Issue 6, Page(s) e0234724

    Abstract: The major symptoms of Tourette syndrome are motor and vocal tics, but Tourette syndrome is occasionally associated with cognitive alterations as well. Although Tourette syndrome does not affect the majority of cognitive functions, some of them improve. ... ...

    Abstract The major symptoms of Tourette syndrome are motor and vocal tics, but Tourette syndrome is occasionally associated with cognitive alterations as well. Although Tourette syndrome does not affect the majority of cognitive functions, some of them improve. There is scarce evidence on the impairment of learning functions in patients with Tourette syndrome. The core symptoms of Tourette syndrome are related to dysfunction of the basal ganglia and the frontostriatal loops. Acquired equivalence learning is a kind of associative learning that is related to the basal ganglia and the hippocampi. The modified Rutgers Acquired Equivalence Test was used in the present study to observe the associative learning function of patients with Tourette syndrome. The cognitive learning task can be divided into two main phases: the acquisition and test phases. The latter is further divided into two parts: retrieval and generalization. The acquisition phase of the associative learning test, which mainly depends on the function of the basal ganglia, was affected in the entire patient group, which included patients with Tourette syndrome with attention deficit hyperactivity disorder, obsessive compulsive disorder, autism spectrum disorder, or no comorbidities. Patients with Tourette syndrome performed worse in building associations. However, the retrieval and generalization parts of the test phase, which primarily depend on the function of the hippocampus, were not worsened by Tourette syndrome.
    MeSH term(s) Adolescent ; Attention Deficit Disorder with Hyperactivity/complications ; Autism Spectrum Disorder/complications ; Basal Ganglia/physiology ; Case-Control Studies ; Child ; Female ; Humans ; Male ; Neuropsychological Tests ; Obsessive-Compulsive Disorder/complications ; Tourette Syndrome/complications ; Tourette Syndrome/diagnosis
    Language English
    Publishing date 2020-06-16
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1932-6203
    ISSN (online) 1932-6203
    DOI 10.1371/journal.pone.0234724
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Dissociation between two aspects of procedural learning in Tourette syndrome

    Tóth-Fáber, Eszter / Tárnok, Zsanett / Janacsek, Karolina / Kóbor, Andrea / Nagy, Péter / Farkas, Bence Cs. / Oláh, Szabina / Merkl, Dóra / Hegedus, Orsolya / Nemeth, Dezso / Takács, Ádám

    Child Neuropsychology

    Enhanced statistical and impaired sequence learning

    2021  Volume 27, Issue 6, Page(s) 799–821

    Abstract: Tourette syndrome (TS) is a childhood-onset neurodevelopmental disorder that primarily affects the cortico-basal ganglia-thalamo-cortical (CBGTC) circuitry and is characterized by motor and vocal tics. Previous studies have found enhancement in ... ...

    Title translation Dissoziation zwischen zwei Aspekten des prozeduralen Lernens beim Tourette-Syndrom: Erhöhtes statistisches und beeinträchtigtes Sequenzlernen
    Abstract Tourette syndrome (TS) is a childhood-onset neurodevelopmental disorder that primarily affects the cortico-basal ganglia-thalamo-cortical (CBGTC) circuitry and is characterized by motor and vocal tics. Previous studies have found enhancement in procedural memory, which depends on the CBGTC circuitry and plays an important role in the learning and processing of numerous motor, social, and cognitive skills and habits. Based on these studies, procedural hyperfunctioning in TS has been proposed. However, the neurocognitive mechanism underlying such hyperfunctioning is poorly understood. Here, we investigated how two aspects of procedural learning, namely 1) frequency-based statistical learning and 2) order-based sequence learning, are affected in TS. Twenty-one children with TS between the ages of ten and fifteen as well as 21 typically developing controls were tested on a probabilistic sequence learning task that enables the parallel assessment of these two aspects. We found that children with TS showed enhanced sensitivity to statistical information but impaired sequence learning compared to typically developing children. The deconstruction of procedural memory suggests that procedural hyperfunctioning in TS may be supported by enhanced sensitivity to statistical information. These results can provide a potential path for improving therapy methods and skill-oriented educational programs for TS.
    Keywords Basal Ganglia ; Basalganglien ; Gedächtnis ; Lernen von Fertigkeiten ; Memory ; Neurodevelopmental Disorders ; Neurologische Entwicklungsstörung ; Probability Learning ; Procedural Knowledge ; Prozedurales Wissen ; Sequential Learning ; Sequenzielles Lernen ; Skill Learning ; Tourette Syndrome ; Tourette-Syndrom ; Wahrscheinlichkeitslernen
    Language English
    Document type Article
    ZDB-ID 1262599-1
    ISSN 0929-7049
    ISSN 0929-7049
    DOI 10.1080/09297049.2021.1894110
    Database PSYNDEX

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