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Comparative report on qualitative research : newly arrived migrant children
Mateja Sedmak, 2021

Ključne besede: migration, migrant children, integration
DiRROS - Objavljeno: 16.03.2022; Ogledov: 98; Prenosov: 44
.pdf Celotno besedilo (520,03 KB)

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Struggles and dilemmas of Uyghur immigrants in Turkey
Mettursun Beydulla, 2021

Povzetek: The social and economic integration of the Uyghurs into Turkish society reflec-ts a problem to which policy makers have not yet found a response. Marginalized by the larger society and separated by linguistic differences and cultural and social life-styles, a significant proportion of Uyghurs, especially “newcomers” who have arrived since the 1980s, is in danger of becoming part of a “parallel society.” This is reinforced by exclusion, inferiorization and “otherness,” restricted educational achievements, uncertain citizenship, legal status limbo and low socioeconomic status. Pro-Uyghur, pro-independence and anti-Chinese government mobiliza-tion in Turkey has attracted the attention of Chinese authorities for a long time, and this attention has in turn affected and shaped mobilization in Turkey. The Turkey-China relationship is involved as well. The main goals of Chinese policy and strategy in Turkey are the security of “Xinjiang Uyghur Autonomous Region” (a.k.a. East Turkistan), access to natural resources, security of the Belt and Road Initiative (BRI) and economic and technological investment. It means that China believes it must consolidate its control of “Xinjiang” (East Turkistan) and restrain the Uyghur independence movement in Turkey. China’s economic and technolo-gical power and investments in Turkey are not just increasing its influence; they are making Turkey far more reticent to speak out about Beijing’s abuses, systematic oppression and atrocities in the “Xinjiang” (East Turkistan). China’s geo-econo-mic strategy has resulted in political influence in Turkey that profoundly affects its Uyghur population.
Ključne besede: Uyghur refugees, Uyghur immigration, integration, Uyghur dilemma, Turkish policy, Turkish and Chinese relations
DiRROS - Objavljeno: 22.03.2022; Ogledov: 99; Prenosov: 60
.pdf Celotno besedilo (336,47 KB)

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Neural bases of age-related sensorimotor slowing in the upper and lower limbs
Uroš Marušič, Manca Peskar, Kevin De Pauw, Nina Omejc, Gorazd Drevenšek, Bojan Rojc, Rado Pišot, Voyko Kavcic, 2022

Povzetek: With advanced age, there is a loss of reaction speed that may contribute to an increased risk of tripping and falling. Avoiding falls and injuries requires awareness of the threat, followed by selection and execution of the appropriate motor response. Using event-related potentials (ERPs) and a simple visual reaction task (RT), the goal of our study was to distinguish sensory and motor processing in the upper- and lower-limbs while attempting to uncover the main cause of age-related behavioral slowing. Strength (amplitudes) as well as timing and speed (latencies) of various stages of stimulus- and motor-related processing were analyzed in 48 healthy individuals (young adults, n = 24, mean age = 34 years; older adults, n = 24, mean age = 67 years). The behavioral results showed a significant age-related slowing, where the younger compared to older adults exhibited shorter RTs for the upper- (222 vs. 255 ms; p = 0.006, respectively) and the lower limb (257 vs. 274 ms; p = 0.048, respectively) as well as lower variability in both modalities (p = 0.001). Using ERP indices, age-related slowing of visual stimulus processing was characterized by overall larger amplitudes with delayed latencies of endogenous potentials in older compared with younger adults. While no differences were found in the P1 component, the later components of recorded potentials for visual stimuli processing were most affected by age. This was characterized by increased N1 and P2 amplitudes and delayed P2 latencies in both upper and lower extremities. The analysis of motor-related cortical potentials (MR) revealed stronger MRCP amplitude for upper- and a non-significant trend for lower limbs in older adults. The MRCP amplitude was smaller and peaked closer to the actual motor response for the upper- than for the lower limb in both age groups. There were longer MRCP onset latencies for lower- compared to upper-limb in younger adults, and a non-significant trend was seen in older adults. Multiple regression analyses showed that the onset of the MRCP peak consistently predicted reaction time across both age groups and limbs tested. However, MRCP rise time and P2 latency were also significant predictors of simple reaction time, but only in older adults and only for the upper limbs. Our study suggests that motor cortical processes contribute most strongly to the slowing of simple reaction time in advanced age. However, late-stage cortical processing related to sensory stimuli also appears to play a role in upper limb responses in the elderly. This process most likely reflects less efficient recruitment of neuronal resources required for the upper and lower extremity response task in older adults.
Ključne besede: aging, sensoriomotor integration, event-related potential, finger and foot responses, motor-related cortical potential
DiRROS - Objavljeno: 04.05.2022; Ogledov: 52; Prenosov: 42
.pdf Celotno besedilo (2,66 MB)

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Does cognitive training improve mobility, enhance cognition, and promote neural activation?
Jeannette R. Mahoney, Joe Verghese, Uroš Marušič, 2022

Povzetek: A close inter-relationship between mobility and cognition is reported in older adults, with improvements in gait performance noticeable after cognitive remediation in frail individuals. The aim of this study was to evaluate the efficacy of computerized cognitive training (CCT) on mobility in healthy, independently living older adults, and to determine whether CCT is associated with changes in neural activation for mobility-related brain processes. Using a randomized single-blind control design, sixty-three non-demented adults age 60 y and older (mean age = 67 y; 76% female, mean Montreal Cognitive Assessment [MoCA] score = 27) were recruited from a local Senior Activity Center. Participants were randomly assigned to either a 2-month CCT program (8 weeks, 3x/week, 40 min/session) or a wait-list control group. Primary outcome was self-selected gait speed during single- and dual-task walking. Secondary outcome was executive function on Trail Making Test (TMT), Part B. Neural activity was assessed via electroencephalography/event-related potentials (EEG/ERPs) targeting lower-limb performance. Results from a linear mixed effect model, adjusted for baseline MoCA score, age, gender, and study completion revealed that compared to controls, CCT improved gait speed during the dual-task (p = 0.008) but not during the single-task walking condition (p = 0.057). CCT also improved executive function (p = 0.024). Further, shorter foot reaction time responses (p = 0.019) were found with enhanced neural activation over sensorimotor areas, with shorter ERP latencies during the P2 component (p = 0.008) and enhanced motor responses (p = 0.009) also evident in the CCT group after the intervention. Overall, the electrophysiological findings suggest possible neural adaptations that could explain improvements in mobility and executive functions associated with CCT in healthy older adults.
Ključne besede: visual evoked potentials, motor-related cortical potentials, executive control, cognitive-motor brain networks, healthy aging, sensorimotor integration, functional mobility
DiRROS - Objavljeno: 24.05.2022; Ogledov: 33; Prenosov: 25
.pdf Celotno besedilo (1,11 MB)

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