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Adolescents and multi-tasking
Blog written by Dr. Iroise Dumontheil and originally published here
Humans are social beings. We have evolved to function in groups of various size. Some researchers argue that the complexity of social relationships which require, for example, remembering who tends to be aggressive, who has been nice to us in the past, or who always shares her food, may have been an evolutionary pressure leading to the selection of humans with bigger brains, and in particular a bigger frontal cortex (see research by Robin Dunbar).
However, we do not always take into account the perspective or knowledge of a person we are interacting with. Boaz Keysar and laterIan Apperly developed an experimental psychology paradigm which allows us to investigate people’s tendency to take into account the perspective of another person (referred to as the “director”) when they are following his instructions to move objects on a set of shelves. Some of the slots on the shelves have a back panel, which prevent the director, who is standing on the other side of the shelves, from seeing, and knowing, which objects are located in the slots. While all participants can correctly say, when queried, which object the director can or cannot see, adult participants, approximately 40% of the time, do not take into account the view of the director when following his instructions.
In a previous study, Sarah-Jayne Blakemore (UCL), Ian Apperly (University of Birmingham) and I, demonstrated that adolescents made more errors than adults on the task, showing a greater bias towards their own perspective. In contrast, adolescents performed to the same level a task matched in terms of general demands but which required following a rule to move only certain objects, and did not have a social context.
The Royal Society Open Science journal is publishing today a further study on this topic, led by Kathryn Mills (now at the NIMH in Bethesda) while she was doing her PhD with Sarah-Jayne Blakemore at UCL. Here, we were interested in whether loading participants’ working memory, a mental workspace which enables us to maintain and manipulate information over a few seconds, would affect their ability to take another person’s perspective into account. In addition, we wanted to investigate whether adolescents and adults may differ on this task.
What would this correspond to in real life? Anna is seating in class trying to remember what the teacher said about tonight’s homework. At the same time her friend Sophie is talking to her about a common friend, Dana, who has a secret only Anna knows. In this situation, akin to multitasking, Anna may forget the homework instruction or spill out Dana’s secret, because her working memory system has been overloaded.
Thirty-three female adolescents (11-17 years old) and 28 female adults (22-30 years old) took part in a variant of the Director task. Between each instruction given by the director, either one or three double-digits numbers were presented to the participants and they were asked to remember them.
Overall, adolescents were less accurate than adults on the number task and the Director task (combined, in a single “multitasking” measure) when they had to remember three numbers compared to one number. In addition, all participants were found to be slower to respond when the perspective of the director differed from their own and when their working memory was loaded with three numbers compared to one number, suggesting that multitasking may impact our social interactions.

Presentation of multitasking paradigm (image published in Royal Society Open Science paper). For each trial, participants were first presented with either (a) one two-digit number (low load) or (b) three two-digit numbers (high load) for 3 s. Then participants were presented with the Director Task stimuli, which included a social (c) and non-social control condition (d). In this example, participants hear the instruction: ‘Move the large ball up’ in either a male or a female voice. If the voice is female, the correct object to move is the basketball, because in the DP condition the female director is standing in front of the shelves and can see all the objects, and in the DA condition, the absence of a red X on the grey box below the ‘F’ indicate that all objects can be moved by the participant. If the voice is male, the correct object to move is the football, because in the DP condition the male director is standing behind the shelves and therefore cannot see the larger basketball in the covered slot, and in the DA condition the red X over the grey box below the ‘M’ indicates that no objects in front of a grey background can be moved. After selecting an object in the Director Task, participants were presented with a display of two numbers, one of which corresponding to the only number (e) or one of the three numbers (f), shown to them at the beginning of the trial. Participants were instructed to click on the number they remembered being shown at the beginning of the trial.
Find out more
- News article: Adolescents are less adept at multitasking than adults, psychological study suggests
- Read the study: “Multitasking during social interaction in adolescence and early adulthood”
- Dr Iroise Dumontheil
- Department of Psychological Sciences, Birkbeck, University of London
- Royal Society Open Science
CEN seminar, 4pm 10th March: Dr Charles Chew, Ministry of Education, Singapore
Please join us at 4pm, 10th March, SSRU seminar room, 18 Woburn Square. Dr. Charles Chew, Ministry of Education, Singapore will be talking about: Development of Innovative Bio-physics Demonstrations for Constructivist Teaching using the Predict-Observe-Explain [POE] Instructional Approach.
Neuro-hit or neuro-myth?
CEN has just launched a new web resource on neuromyths!
Neuromyths are common misconceptions about brain mechanisms, which are taken for granted in today’s society. Some of these myths have taken root amongst educators and have influenced educational techniques. Some myths are wonderfully bizarre (we only use 10% of our brains!). Some myths have seeds of truth but have led to educational techniques without scientific grounding (e.g., the myth that left-brain=logic right-brain=emotion and creativity has a seed of truth in research on functional brain lateralisation). Other myths appeal to strong intuitions but the science is only assumed (girls and boys have different cognitive abilities).
Entitled ‘Neuro-hit or neuro-myth?‘, we give up-to-date evaluations of a range of neuromyths, including links to recent scientific resources and articles.
This resource was supported by a Wellcome Trust Institutional Strategic Support Fund Award.
Two new ESRC CASE PhD studentships now inviting applications
Would you like to complete your PhD on an exciting project linked to educational neuroscience, which combines experience in both academic and commercial sectors?
The effect of ambient noise on on early learning in a classroom environment
Under the supervision of Dr. Natasha Kirkham and Professor Denis Mareschal, this studentship will be focussed on understanding the impact of ambient or environmental noise on early learning in a classroom environment, and will be run in collaboration with our partner on the project, Cauldron (http://cauldron.sc), a resource-developer for online experiments This project will require coding/programming experience and we encourage students with both developmental and cognitive science backgrounds to apply.
Closing date for applications is 1st March 2016. Informal inquiries can be made to Natasha Kirkham: n.kirkham@bbk.ac.uk
The effect of technology use on the development of adolescent executive function skills
Closing date for applications is 26th Feb 2016. Informal inquiries can be made to Iroise Dumontheil: i.dumontheil@bbk.ac.uk. Further details here.
Would you like to do a PhD in Educational Neuroscience?
Bloomsbury Doctoral Training Centre Studentship Applications are now invited.
Applications are now open for ESRC studentships via the Bloomsbury Doctoral Training Centre, which offers a training route in Educational Neuroscience. Further details on the application process are available on the DTC website here.
The closing date for applications is Friday 5 February 2016.
CEN Research Group spring meeting schedule
The CEN Research Group, which is open to those interested in the latest developments in educational neuroscience, meets weekly at 4pm on Thursday afternoons.
Our spring schedule is now available here. Upcoming topics include the use of philosophy to develop reasoning skills in primary schools, spatial ability and science performance, chess in schools, and an investigation of cognitive deficits in children with cerebral palsy and how these impact mathematical ability.
The CEN Research Group is open to faculty members, postdoctoral fellows, and students at Birkbeck and UCL (especially those on the Educational Neuroscience and Developmental Sciences masters, and PhD students studying relevant topics). It is also open to educationalists, educational psychologists, and interested teachers. Meetings aim to enable an atmosphere of informal discussion of the latest findings in and challenges for neuroscience and psychology relevant to education. If you would like to attend, please contact us at: centre4educationalneuroscience@gmail.com
UCL-IOE / HKU Education & Neuroscience Collaboration: Friday 15th January
You are warmly invited to take part in the upcoming, second instalment of an exciting digital and e-learning collaboration between UCL-IoE and Hong Kong University.
- Prof. Andrew Tolmie (UCL-IoE), presenting on Observation, Description and Explanation in Primary School Science
- Prof. Michael Thomas (BBK) speaking on The Cognitive Neuroscience of Socioeconomic Status
- Prof. Emily Farran (UCL-IoE) presenting a paper entitled A Multilevel Approach to Understanding Development
Abstracts are available here…
New Workshop on Current Issues in Educational Neuroscience for graduate students and researchers: Friday 20th November, 9:00 – 17:00
Current Issues in Educational Neuroscience: A workshop sponsored by the Bloomsbury and UCL Doctoral Training Centres
Date and time: Friday 20th November 2015, Registration from 9:00, workshop 9:30 – 17:00
Location: Room B34, Birbeck, Malet Street, London WC1E 7HX (updated location)
This full day workshop features a keynote presentation by Professor Daphne Bavelier entitled “Learning and transfer: Lessons from action video games”, two themed sessions on educational neuroscience (on the training of executive functions, and on the environmental factors associated with cognitive development and learning), a lunchtime poster session, and a panel discussion.
Professor Daphne Bavelier (University of Geneva) is a cognitive neuroscientist who studies brain plasticity. Her research tackles questions such as: What are the factors that promote such learning and brain plasticity? Are some parts of our nervous system more plastic than others, making some skills easier to acquire?
Professor Bavelier presented the popular TED talk “Your brain on video games”.
Who is the workshop for? MPhil/PhD students, MSc students, and early career researchers
Is there a registration fee? No, registration is free, but you must register to attend.
How do I book? To reserve your place, please email the Centre for Educational Neuroscience administrator at centre4educationalneuroscience@gmail.com, with NOVEMBER WORKSHOP in the subject line. Please indicate in the email what programme you are studying on.
Can I present a poster? If you have research to present that is relevant to educational neuroscience (in its broadest sense) we would love to hear from you. Please email a 300 word abstract of your poster to the Centre for Educational Neuroscience administrator at centre4educationalneuroscience@gmail.com, with NOVEMBER WORKSHOP POSTER in the subject line.
CEN Research Group autumn schedule now available
The CEN Research Group, which is open to those interested in the latest developments in educational neuroscience, meets weekly at 4pm on Thursday afternoons.
Our autumn schedule is now available here. The first meeting is on Thursday 15th October, with a journal paper presentation from Emily Farran. On 22nd October, Sarah Punshon will be talking about her new Wellcome-Funded project: “Getting stuck, going wrong and being stupid: could a theatrical adventure impact children’s beliefs about their mathematical brains?”. On Thursday 29th October, Dr. Ben Shaw from the University of Westminster will present his research on “Children’s Independent Mobility: how much freedom do our children have to get about by themselves and does independence affect child development?”
The CEN Research Group is open to faculty members, postdoctoral fellows, and students at Birkbeck and UCL (especially those on the Educational Neuroscience and Developmental Sciences masters, and PhD students studying relevant topics). It is also open to educationalists, educational psychologists, and interested teachers. Meetings aim to enable an atmosphere of informal discussion of the latest findings in neuroscience and psychology, and their relevance to education. If you would like to attend, please contact us at: centre4educationalneuroscience@gmail.com







