Search for dissertations about: "Helena Westerberg"

Found 2 swedish dissertations containing the words Helena Westerberg.

  1. 1. Working memory : development, disorders and training

    Author : Helena Westerberg; Karolinska Institutet; Karolinska Institutet; []
    Keywords : Working memory; Functional magnetic resonance imaging; Human development; Children; ADHD; Stroke; Brain injury; Intervention; Training; Visuo-spatial span; Choice Reaction Time; Attention;

    Abstract : Working memory (WM) is the ability to keep information online during a short period of time. Brain regions underlying WM functioning are found in the frontal and parietal cortices. It is largely unknown to what extent the neural substrates underlying WM are susceptible to training induced change. READ MORE

  2. 2. Diatoms in Lake Duluti : Tracking Environmental Variability in Northern Tanzania during the Past 1000 Years

    Author : Helena Öberg; Lars-Ove Westerberg; Karin Holmgren; Jan Risberg; Robert Marchant; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Paleolimnology; Tanzania; Diatoms; Climate change; Crater lake; Physical Geography; naturgeografi;

    Abstract : The tropics are the regions which are least understood climatically and new data on past climate variability is necessary for reliable future modeling of climate change. This thesis contributes with new paleoenvironmental information from a small crater lake in northern Tanzania and provides an additional link between the integrated history of climate, environment and socioeconomic variability in tropical Africa. READ MORE