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2015 | 15 | 1 | 11-17
Article title

Application of the Trail Making Test in the assessment of cognitive flexibility in patients with speech disorders after ischaemic cerebral stroke

Content
Title variants
PL
Zastosowanie Testu Łączenia Punktów do oceny elastyczności poznawczej u chorych z zaburzeniami mowy po udarze mózgu
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EN PL
Abstracts
EN
The main aim of this study was to evaluate the level of cognitive flexibility in patients with speech disorders after ischaemic cerebral stroke. The study was conducted in a group of 43 patients (18 women and 25 men) who had experienced cerebral ischaemic stroke. The patients under study were divided into groups based on the type of speech disorders, i.e.: aphasia, lack of speech disorders and dysarthria. A Mini-Mental State Examination (MMSE) and a Clock Drawing Test (CDT) were applied for the general evaluation of the efficiency of cognitive functions. Cognitive flexibility – a component of executive functions, was evaluated with the use of a Trail Making Test (TMT). The results obtained prove that patients with aphasia show the lowest level of cognitive flexibility. Disorders of executive functions can be related to the dysfunction of the prefrontal cortex which has been damaged as a result of ischaemic cerebral stroke. Presumably, there are common functional neuroanatomical circuits for both language skills and components of executive functions. In the case of damage to the structures that are of key importance for both skills, language and executive dysfunctions can therefore occur in parallel. The presence of executive dysfunctions in patients with aphasia can additionally impede the functioning of the patient, and also negatively influence the process of rehabilitation the aim of which is to improve the efficiency of communication.
PL
Nadrzędnym celem pracy było określenie poziomu elastyczności poznawczej za pomocą Testu Łączenia Punktów (Trail Making Test, TMT) u chorych z zaburzeniami mowy po udarze mózgu. Badaniem objęto 43 chorych (18 kobiet oraz 25 mężczyzn) z niedokrwiennym udarem mózgu. Badanych przydzielono do trzech grup w zależności od rodzaju zaburzenia mowy: chorych z afazją, brakiem afazji i dyzartrią. Do oceny ogólnej sprawności funkcji poznawczych zastosowano Krótką Skalę Oceny Stanu Psychicznego (Mini-Mental State Examination, MMSE) oraz Test Rysowania Zegara (Clock Drawing Test, CDT). Elastyczność poznawcza była badana przy użyciu Testu Łączenia Punktów. Uzyskane wyniki wykazały, że chorzy z afazją wykazują najniższy poziom elastyczności poznawczej. Zaburzenia elastyczności poznawczej mogą być związane z dysfunkcją kory przedczołowej, która uległa uszkodzeniu w wyniku niedokrwiennego udaru mózgu. Przypuszczalnie dla umiejętności językowych i komponentów funkcji wykonawczych istnieją wspólne neuroanatomiczne obwody funkcjonalne. Stąd w przypadku uszkodzenia kluczowych dla obu zdolności struktur dysfunkcje językowe i wykonawcze mogą występować paralelnie. Współwystępowanie deficytów poznawczych u chorych z afazją może dodatkowo utrudniać funkcjonowanie chorego, a także mieć negatywny wpływ na proces rehabilitacji sprawności porozumiewania się.
Discipline
Publisher

Year
Volume
15
Issue
1
Pages
11-17
Physical description
Contributors
  • Department of Psychiatry, Jagiellonian University Medical College
  • Department of Neuroscience and Neuropsychology, Institute of Applied Psychology, Jagiellonian University. Department of Neurology and Cerebral Strokes, Ludwik Rydygier Specialist Hospital
  • Department of Psychiatry, Jagiellonian University Medical College
  • University School of Physical Education in Krakow
author
  • Department of Neurology and Cerebral Strokes, Ludwik Rydygier Specialist Hospital
  • Department of Neuroscience and Neuropsychology, Institute of Applied Psychology, Jagiellonian University. Department of Molecular Neuropharmacology, Institute of Pharmacology
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Document Type
article
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.psjd-f6ae7784-c1eb-406a-955b-b1be28d8f402
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