Browsing Han Publications without organization data by Author "Geurts, Alexander"

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Narrative work? What on earth?
Woudenberg, J. ; Bobbink, Henk ; Geurts, Alexander ; Pelzer, M. ; Degen-Nijeboer, H.
2013, Book (monograph) This book is about narrative methods and narrative research. The word narrativity derives from the Latin word narrare, which means ‘to tell’. Narratives are present everywhere. They come in the form of fairy tales, drama, drawings, art, history, biography, myths and legends. Narratives can be found at all ages and in all societies. Stories have always played an important role in human life (Ten Holter, 2010). Simply put, a story is a sequence of coherent events. The following questions can usually be asked: How did it start? Then what happened? How did it end? (Bijl, Baars & Schueren, 2002). In the field of narratology, stories are the object of study and the focus is on the way in which these stories are told. Narratives are about biographical events as told by those who experienced them (Van Biene et al., 2008). They often have a time sequence; i.e. the narrator establishes a link between the past, the present and the future. People tell stories from a particular perspective. The narrator takes his or her own position in a story, but positions can also be assigned by others (e.g. the listener) (ibid). In addition to the narrator, narratives also include other parties; for example, a person may speak about their family or neighbours.
Assessment of dual tasking has no clinical value for fall prediction in Parkinson’s disease
Smulders, Katrijn ; Bloem, Bastiaan ; Kessels, Roy ; Geurts, Alexander ; Weiss, Aner ; Esselink, Rianne
2012, Article / Letter to editor (Journal of Neurology, vol. 259, iss. 9, (2012), pp. 1840-1847)The objective of this study is to investigate the value of dual-task performance for the prediction of falls inpatients with Parkinson’s disease (PD). Two hundred sixty three patients with PD (H&Y 1–3, 65.2 ± 7.9 years)walked two times along a 10-m trajectory, both under single-task and dual-task (DT) conditions (combined with an auditory Stroop task). To control for a cueing effect, Stroop stimuli were presented at variable or fixed 1- or 2-s intervals. The auditory Stroop task was also performed alone. Dual-task costs were calculated for gait speed, stride length, stride time, stride time variability, step and stride regularity, step symmetry and Stroop composite scores(accuracy/reaction time). Subsequently, falls were registered prospectively for 1 year (monthly assessments). Patients were categorized as non-recurrent fallers (no or 1 fall) or recurrent fallers ([1 falls). Recurrent fallers (35%) had a significantly higher disease severity, lower MMSE scores, and higher Timed ‘‘Up & Go’’ test scores than non recurrent fallers. Under DT conditions, gait speed and stride lengths were significantly decreased. Stride time, stride time variability, step and stride regularity, and step symmetry did not change under DT conditions. Stroop dual-task costs were only significant for the 2-s Stroop interval trials. Importantly, recurrent fallers did not show different dual-task costs compared to non-recurrent fallers on any of the gait or Stroop parameters. These results did not change after correction for baseline group differences. Deterioration of gait or Stroop performance under dual task conditions was not associated with prospective falls in this large sample of patients with PD.

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