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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Infants in Control : Prospective Motor Control and Executive Functions in Action Development

Gottwald, Janna Marleen January 2016 (has links)
This thesis assesses the link between action and cognition early in development. Thus the notion of an embodied cognition is investigated by tying together two levels of action control in the context of reaching in infancy: prospective motor control and executive functions. The ability to plan our actions is the inevitable foundation of reaching our goals. Thus actions can be stratified on different levels of control. There is the relatively low level of prospective motor control and the comparatively high level of cognitive control. Prospective motor control is concerned with goal-directed actions on the level of single movements and movement combinations of our body and ensures purposeful, coordinated movements, such as reaching for a cup of coffee. Cognitive control, in the context of this thesis more precisely referred to as executive functions, deals with goal-directed actions on the level of whole actions and action combinations and facilitates directedness towards mid- and long-term goals, such as finishing a doctoral thesis. Whereas prospective motor control and executive functions are well studied in adulthood, the early development of both is not sufficiently understood. This thesis comprises three empirical motion-tracking studies that shed light on prospective motor control and executive functions in infancy. Study I investigated the prospective motor control of current actions by having 14-month-olds lift objects of varying weights. In doing so, multi-cue integration was addressed by comparing the use of visual and non-visual information to non-visual information only. Study II examined the prospective motor control of future actions in action sequences by investigating reach-to-place actions in 14-month-olds. Thus the extent to which Fitts’ law can explain movement duration in infancy was addressed. Study III lifted prospective motor control to a higher that is cognitive level, by investigating it relative to executive functions in 18-months-olds. Main results were that 14-month-olds are able to prospectively control their manual actions based on object weight. In this action planning process, infants use different sources of information. Beyond this ability to prospectively control their current action, 14-month-olds also take future actions into account and plan their actions based on the difficulty of the subsequent action in action sequences. In 18-month-olds, prospective motor control in manual actions, such as reaching, is related to early executive functions, as demonstrated for behavioral prohibition and working memory. These findings are consistent with the idea that executive functions derive from prospective motor control. I suggest that executive functions could be grounded in the development of motor control. In other words, early executive functions should be seen as embodied.
2

Sociálně vyloučená lokalita Mojžíř? / Socially excluded locality Mojžíř?

Prokopcová, Lenka January 2013 (has links)
The work deals with the analysis of socially excluded localities beginning Mojžíř. It focuses on the exploration of problems of local people, the reasons for their occurrence and their possible remedies. Another important part of the work is to analyze existing programs and projects in support of the site and its inhabitants and to assess their adequacy. The paper used methods: secondary data analysis, interviews with experts, surveys within the case studies, in-depth interviews with selected residents, tree location problems. The research results show a large number of problems which are faced by local residents and minimal opportunities to face those challenges and most preventable. The key consider high unemployment, debt and morbidity of local people. The site works by People in Need, which significantly contributes to help local, it runs but very reluctant to arrogance in cooperation with local authorities in Neštěmice under which settlement Mojžíř falls.

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