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1.
VPLIV TRENINGA DELOVNEGA SPOMINA NA KOGNITIVNE SPOSOBNOSTI
Marina Horvat, 2014, master's thesis

Abstract: V zadnjih nekaj letih se v psihološki literaturi pogosto objavljajo študije, ki nakazujejo, da lahko s treningom delovnega spomina izboljšamo dosežke na netreniranih nalogah, ki merijo višje kognitivne sposobnosti; rezultati različnih študij pa ostajajo nekonsistentni. Namen raziskave za magistrsko nalogo je bil preveriti, ali lahko s treningom delovnega spomina vplivamo na povečanje obsega kratkoročnega spomina in na povišanje točk na testu fluidne inteligentnosti. Končni vzorec je sestavljajo 29 udeležencev, starih med 13 in 15 let. Od tega jih je bilo 14 v eksperimentalni in 15 v kontrolni skupini. Eksperimentalna skupina je v obdobju dveh tednov končala serijo desetih adaptivnih treningov delovnega spomina, ki so temeljili na dual n-nazaj nalogi. Kontrolna skupina je bila pasivna in v vmesnem času ni opravljala nobenega treninga. Rezultati raziskave so pokazali, da so vsi udeleženci eksperimentalne skupine izboljšali svoj rezultat na trenirani nalogi dual n-nazaj. Statistično pomembnega učinka treninga eksperimentalne skupine na mero obsega števil in obsega vizualno prostorskega spomina v primerjavi z dosežki kontrolne skupine ni bilo, je pa eksperimentalna skupina v primerjavi s kontrolno skupino pridobila več na meri fluidne inteligentnosti. Ugotovitve raziskave kažejo na pomembnost preiskovanja dejavnikov učinkovitosti prenosa učinkov treningov delovnega spomina v prihodnjih raziskavah.
Keywords: delovni spomin, kognitivni trening, dual n-nazaj, fluidna inteligentnost, individualne razlike
Published: 27.05.2014; Views: 3407; Downloads: 1106
.pdf Full text (1,24 MB)

2.
Spoštovanje otrokove igre
Ksenija Zorec, 1998, undergraduate thesis

Keywords: igre, predšolski otroci, igralne dejavnosti, šport, vloga staršev, diplomska dela
Published: 10.07.2015; Views: 1147; Downloads: 29
URL Link to full text

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Do women see things differently than men do?
Norbert Jaušovec, Ksenija Jaušovec, 2009, original scientific article

Abstract: The aim of the study was to investigate the influence of gender on brain activity. Thirty male and 30 female respondents solved simple auditory and visual tasks while their electroencephalogram (EEG) was recorded. Also recorded was the percentage of oxygen saturation of hemoglobin (%StO2) in the respondents' frontal brain areas with near-infrared spectroscopy (NIRS). The attended task condition was based on the oddball paradigm. Respondents had to mentally count infrequent target stimuli - tones or shapes. In the unattended condition they just listened to tones or viewed different shapes. Gender related differences in EEG activity were only observed in the amplitudes of the early evoked gamma response and the P3 component. Women displayed higher amplitudes than men. A second finding was that these differences were more pronounced for the visual than for the auditory stimuli. No gender related differences were observed in the ERP latencies, as well as in the amplitudes of the P1-N1 complex, and the induced gamma response. The NIRS data showed that males in their frontal brain areas displayed a higher percentage of StO2 than did females; and males also showed a higher increase in %StO2 during task performance as compared with the resting condition. Taken all together the results suggest that the females' visual event-categorization process is more efficient than in males. The data are discussed in the theoretical framework of the evolutionary theory of human spatial sex differences.
Keywords: psychology, functional neuroimaging, brain activities, neuropsychology, gender, gender differences
Published: 07.06.2012; Views: 1035; Downloads: 62
URL Link to full text

5.
Gender related differences in visual and auditory processing of verbal and figural tasks
Norbert Jaušovec, Ksenija Jaušovec, 2009, original scientific article

Abstract: The aim of the present study was to investigate gender related differences in brain activity for tasks of verbal and figural content presented in the visual and auditory modality. Thirty male and 30 female respondents solved four tasks while their electroencephalogram (EEG) was recorded. Also recorded was the percentage of oxygen saturation of hemoglobin (%StO2) in the respondents' frontal brain areas with near-infrared spectroscopy (NIRS). The main findings of the study can be summarized as follows. (1) Most pronounced differences between males and females were observed for the factor modality-visual/auditory. (2) Gender related differences in neuroelectric brain responses could be observed during the solution of auditory and visual tasks; however, on the behavioral level only for the visual tasks did females display shorter reaction times than males. The ERP amplitudes of the early evoked gamma response, P1, and P3 were higher in females than males, whereas the N4 amplitude was higher in males than females. The differences were more noticeable in the visual modality. The NIRS showed a more bilateral involvement of the frontal brain areas in females as compared with a more left hemispheric frontal activity in males. In the task conditions an increase in right hemispheric activity in females was observed; however, this increase was less pronounced in the visual than the auditory domain, indicating a more lateralized processing of visual stimuli in females. Taken all together the results suggest that the females' visual event-categorization process is more efficient than in males.
Keywords: psychology, neuropsychology, brain activities, visual processing, auditory processing, gender, gender differences
Published: 07.06.2012; Views: 1264; Downloads: 68
URL Link to full text

6.
Spatial rotation and recognizing emotions : gender related differences in brain activity
Norbert Jaušovec, Ksenija Jaušovec, 2008, original scientific article

Abstract: In three experiments, gender and ability (performance and emotional intelligence) related differences in brain activity - assessed with EEG methodology - while respondents were solving a spatial rotation tasks and identifying emotions in faces were investigated. The most robust gender related difference in brain activity was observed in the lower-2 alpha band. Males and females displayed an inverse IQ-activation relationship in just that domain in which they usually perform better: females in the emotional intelligence domain, and males in the visuospatial ability domain. A similar pattern of brain activity could also be observed for the male/female respondents with different levels of performance and emotional IQ. It was suggested that high ability representatives of both genders to some extent compensate for their inferior problem solving skills (males in emotional tasks and females in spatial rotation tasks) by increasing their level of attention.
Keywords: psychology, cognitive processes, emotional intelligence, EEG activities, problem complexity, brain, memory, spatial rotation, gender, event-related desynchronization
Published: 07.06.2012; Views: 1432; Downloads: 50
URL Link to full text

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Motivacija in kako motivirati?
Norbert Jaušovec, 2010, professional article

Keywords: nagoni, motivi, motivacija, kognicija, analize primerov
Published: 10.07.2015; Views: 723; Downloads: 92
URL Link to full text

10.
VPLIV SPOMINSKEGA TRENINGA NA KRATKOTRAJNI IN DOLGOTRAJNI SPOMIN PRI POSAMEZNIKIH S PRIDOBLJENO MOŽGANSKO POŠKODBO
Tjaša Ogrizek, 2015, master's thesis

Abstract: Namen te študije je bil preveriti vpliv spominskega treninga N-back na kratko- in dolgotrajne spominske sposobnosti pri udeležencih s pridobljeno možgansko poškodbo. V ta namen sta se izoblikovali dve hipotezi, in sicer (H1) kratkotrajni spomin udeležencev se bo izboljšal ter (H2) dolgotrajni spomin udeležencev se ne bo spremenil. Udeleženci v študiji so bili trije posamezniki, stari 38, 31 ter 26 let, ki imajo pridobljeno možgansko poškodbo. Metodološki pripomočki, uporabljeni v študiji, so bili: testa spominskih sposobnosti Auditory-Verbal Learning Test oziroma AVLT (Lezak et al., 2012) in Shum Visual Learning Test oziroma SVLT (Shum, O'Gorman in Eadie, 1999) ter pet podtestov testne baterije Repeatable Battery for the Assessment of Neuropsychological Status oziroma RBANS (Randolph, 2012). Postopek zbiranja podatkov je najprej zajemal prvotno testiranje, nato dvomesečni spominski trening s pomočjo spominskega treninga N-Back, za tem pa še zaključno testiranje spominskih sposobnosti s prej naštetimi pripomočki. Rezultati testiranj niso pokazali izboljšanj v sposobnostih kratko- in dolgotrajnega spomina. Tako hipoteze 1 ni bilo mogoče potrditi, medtem ko je bila hipoteza 2 potrjena. Kljub temu se je med spominskim treningom pričel nakazovati pozitiven trend kompetentnosti pri dveh udeležencih, kar morda kaže na ustreznost spominskega treninga za dva udeleženca, vendar bi za prikaz izboljšav tudi v testiranjih trening moral biti dolgotrajnejši.
Keywords: kratkotrajni spomin, dolgotrajni spomin, pridobljena možganska poškodba, N-Back, spominski trening
Published: 13.11.2015; Views: 1140; Downloads: 225
.pdf Full text (965,95 KB)

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