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How useful are landmarks when learning a route in a virtual environment? Evidence from typical development and Williams syndrome

Farran, EK; Courbois, Y; Van Herwegen, J; Blades, M; (2012) How useful are landmarks when learning a route in a virtual environment? Evidence from typical development and Williams syndrome. Journal of Experimental Child Psychology , 111 (4) pp. 571-586. 10.1016/j.jecp.2011.10.009. Green open access

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Abstract

The ability to learn a route through a virtual environment was assessed in 19 older children and adults with Williams syndrome (WS) and 40 typically developing (TD) children aged 6-9 years. In addition to comparing route-learning ability across groups, we were interested in whether participants show an adult-like differentiation between "useful" and "less useful" landmarks when learning a route and the relative salience of landmark position versus landmark identity. Each virtual environment consisted of a brick wall maze with six junctions. There were 16 landmarks in the maze, half of which were on the correct path and half on incorrect paths. Results showed that both groups could learn each route to criterion (two successful completions of a route without error). During the learning phase, the WS group produced more errors than the TD group and took longer to reach criterion. This was predominantly due to the large number of perseverative errors (i.e., errors that were made at the same choice point on consecutive learning trials) made by the WS group relative to the TD children. We suggest that this reflects a difficulty in inhibiting erroneous responses in WS. During the test phase, the TD group showed stronger recall of landmarks adjacent to junctions (more useful landmarks) than of landmarks along path sections (less useful landmarks) independent of each individual's level of nonverbal ability. This pattern was also evident in the WS group but was related to level of nonverbal maturation; the differentiation between recall of junction and path landmarks increased as nonverbal ability increased across WS participants. Overall, the results demonstrate that individuals with WS can learn a route but that the development of this ability is atypical.

Type: Article
Title: How useful are landmarks when learning a route in a virtual environment? Evidence from typical development and Williams syndrome
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.jecp.2011.10.009
Publisher version: http://dx.doi.org/10.1016/j.jecp.2011.10.009
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Age Factors, Child, Child Development, Cues, Environment, Great Britain, Humans, Maze Learning, Mental Recall, Orientation, Space Perception, Time Factors, User-Computer Interface, Williams Syndrome
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education > IOE - Learning and Leadership
URI: https://discovery.ucl.ac.uk/id/eprint/1477857
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