Ivaskó, Lívia

Jakab, Katalin

Kis, Orsolya

Tóth, Alinka

Vécsei, László

Tóth Alinka

Ivaskó Lívia

Kis Orsolya

Jakab Katalin

Vécsei László

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   Jaargang 23, Supplement 1, september 2018 Stem-, Spraak- en Taalpathologie  19th International Science of Aphasia Conference - Venice  Wednesday, September 19, 2018 09.15 Invited talks 1  13.30 Contributed Papers I       1 15.30 Poster Session I        19  Thursday, September 20, 2018 09.00 Invited talks 2  11.30 Poster Session II        58  Friday, September 21, 2018 09.00 Invited talks 3 14.00 Contributed Papers II       95 16.00 Poster Session III         117  Saturday, September 22, 2018 09.30 Invited talks 4  11.00 Workshops  Poster session 1  52  Interaction between linguistic and numerical abilities of Hungarian patients living with mild or moderate aphasia  Tóth Alinka1,2, Ivaskó Lívia2, Kis Orsolya1, Jakab Katalin1, Vécsei László1,3  1Department of Neurology, University of Szeged, Hungary 2Developmental and Neuropragmatic Research Group, Department of General Linguistics, University of Szeged, Hungary 3Research Group of Neurology, Hungarian Academy of Sciences  Introduction There are competitive conceptions of the relation between linguistic and numerical abilities (Semenza, 2008; Roselli, Ardila, 1997, Denes, 2011). Recently numerous study have reported that numerical abilities are connected with language processing (De Luccia, Ortiz, 2015; Messina, Gianfranco, Basso, 2009), at the same time some numerical mechanism are independent from language (Rath et al. 2015; Semenza, 2008). Our aim was to compare Hungarian aphasic patients’ numerical abalities in different arithmetical and numerical tasks (as counting, arithmetic operations: addition, subtraction, multiplication and division, and complex numerical tasks) with healthy controll’s depending on the severity of their linguistic abilities.  Methods Patients and methods We examined 17 aphasic patients’ numerical abilities. Patients were tested by linguistic and numerical tests as follows: Hungarian version of Western Aphasia Battery (Osmanné Sági, 1991), Boston Naming Test (Kaplan, Goodglass, Weintraub, 2001) and Token Test (Osmanné Sági, 1983), Hungarian version (Igács et al, 2008) of Number Processing and Calculation (NPC, Delazer et al. 2003) were used. Depending on the severity of aphasia 8 mildly and 9 moderately damaged aphasic patients were invited to this research. All of the patients were treated at the Department of Neurorehabilitation of Neurology of the University of Szeged. Healthy controlls were matched to the clinical group. All of data of the participants were included by the ethical norms of the Department. All of them were Hungarian native speakers. Results Patients with aphasia showed worse performance during the tasks correlated to healthy groups. They had the worst results in calculation (69%) and numerical transcoding tasks (81%). Multiplication (61%) and division (63%) seemed to be the most difficult operations while they could solve the addition exercises almost correctly (85%). They also had difficulties in solving text problems (57%) and written calculations (57%). Comparing mildly and moderately damaged aphasic patients’ performance we found that mildly damaged aphasic patients had significantly better performance (77%) than severe ones (60%) in all kind of tasks. 1. To compare the general performance of the three groups, we conducted a One-Way ANOVA with the GROUP factor (healthy, mildly aphasic, moderately/severly aphasic). The ANOVA was significant, F(2, 25) Poster session 1  53  = 17.980, MSE = 92.020, p < .010, ηp 2 = 0.590. The healthy group showed the best performance, followed by the mildly aphasics and the moderately/severly aphasics. Post hoc tests revelaled that the healthy group did not differ significantly from the mildly aphasic group (p = .105), but there was a significant difference between the healty and moderately/severly aphasic groups (p < .001) and between the midly and moderatly/severly aphasics (p = .007).  2. To see if there are any selective diffences in between the different arithmetical operations of the three groups we conducted a Mixed Design ANOVA with the following factors: GROUP (healthy, mildly aphasic, moderately/severly aphasic) and OPERATION (addition, subtraction, multiplication and division).  The main effect of GROUP was significant, F(2, 25) = 9.032, MSE = 714.773, p  =.001, ηp 2 = 0.419, so was the main effect of the OPERATION, F(1.980, 49.508) = 19.698, MSE = 220.903, p < .001, ηp 2 = 0.441. Most importantly, the interaction of GROUP x OPERATION also reached significance, F(3.961, 49.508) = 6.402, MSE = 220.903, p < .001, ηp 2 = 0.339, indicating that the effect of opeartion was was not similar in the three groups. Post hoc tests revealed that there was no difference in performance with different operations in the healthy group (all ps > .999). Mildly aphasics showed better performance on the addition/subtraction items than on the division items (significant difference between addition and division, p = .012; trend level difference between subtraction and division, p =.053). Moderately/severly aphasics showed a better performance on the addition/subtraction items than on the multiplication/division items (all ps < .001). From another perspective, while performance on the addition and subtraction items did not differ between groups (all ps > 0.261), multiplication and division was better accomplished by healthy individuals than by moderately/severly aphasics (both ps < .002); and the mildly aphasiacs also performed better on these items than the moderately/severly aphasics (multiplication p = .009, division p = .086 – a trend towards significance). Discussion Aphasic people’s numerical performance is worse than that of a healthy control group, depending on the rate of the linguistic disruption/disturbance. As for the overall numerical performance of aphasic people, there is a significant difference between healthy and semi-severe aphasic, as well as between mild and semi-severe aphasic groups. The examined task-groups also reflected upon the significant differences between the groups. The participants of the study achieved the best results in the task-group tackling the notion of number, whereas the calculation task-group appeared to be the most difficult. In the case of arithmetic facts and rules, when studying basic arithmetic operations, both aphasic groups had better results in addition and subtraction than in multiplication and division. By analysing the results of textual tasks, it can be said that the patients could do half of the tasks successfully. According to these analyses, the performance in textual tasks did not depend on the required operation, however, the mild and the semi-severe aphasic groups’ performance was worse in all four basic arithmetic operations. Our findings have shown that aphasic patients had difficulties with numerical tasks. It can be seen that the range of numerical abilities are influenced by linguistic disorders. Poster session 1  54  References Baldo J. V, Dronkers N. F: Neural correlates of arithmetic and language comprehension: A common substrate? Neuropsychologia 2007; 45: 229-235. Delazer M, Girelli L, Grana A, Domahs F.: Number processing and calculation - Normative data from healthy adults. The clinical neuropsychologist 2003; 17: 3: 331-350. De Luccia G, Zazo Ortiz K: Ability of aphasic individuals to perform numerical processing and calculation tasks. Arq Neuropsiquiatr 2014; 72:197-202.  Igács J, Janacsek K, Krajcsi A: A Numerikus Feldolgozás és Számolás Teszt (NFSZT) magyar változata. Magyar Pszichológiai Szemle 2008; 63: 633-650. Kaplan E, Goodglass H,  Barresi B, Weintraub S: Boston Naming Test. Texas, PRO-ED Austin Press, 2001. Messina G, Gianfranco D, Basso A: Words and number words transcoding: A retrospective study on 57 aphasic subject. Journal of Neurolinguistics 2009; 22: 486-494. Osmanné Sági J: A DeRenzi-féle Token beszédmegértési teszt adaptálásának eredményei. Magyar Pszichológiai Szemle 1983; 5: 407–420. Osmanné Sági J: Az afázia klasszifikációja és diagnosztikája I-II. Ideggyógyászati Szemle 1991; 44: 339-362.  Rath D, Domahs F, Dressel K, Claros-Salinas D, Klein E, Willmes K, et. al.: Patterns of linguistic and numerical performance in aphasia. Behavioral and Brain Functions 2015; 11: 197-202.  Semenza C: Number processing. In: Stemmer B, Whitaker H A (eds.): Handbook of the Neuroscience of Language. London Elsevier Press, 2008. p. 219-226.   This research was supported by the EU founded  EFOP-3.6.1-16-2016-00008. pilot project of the University of Szeged.    

Interaction between linguistic and numerical abilities of Hungarian patients living with mild or moderate aphasia

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Interaction between linguistic and numerical abilities of Hungarian patients living with mild or moderate aphasia

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