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29 Jun '09

Dear Users This week Tim Andrews will give a talk on "The representation of facial identity in visual cortex" from 4-5 pm in YNiC open plan. Everyone is welcome to attend. Best wishes Rebecca -- ************************************************************************ Dr. Rebecca E. Millman Science Liaison Officer York Neuroimaging Centre The Biocentre York Science Park Heslington YO10 5DG Tel: +44 (0) 1904 567614 Fax: +44 (0) 1904 435356

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Building work at YNiC
by am501＠psych.york.ac.uk 23 Jun '09

23 Jun '09

Hello All, Some minor building work will be undertaken at YniC from tomorrow onwards. We are having the work done to configure the centre appropriately for the IT upgrades in August. We have been assured that it will not be disruptive, but it is possible that some unforeseen disturbance may occur. I am sorry if you are affected by the work, which should be completed over the next two weeks. Tony

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YNiC closure 21/8/09 - 7/9/09
by am501＠psych.york.ac.uk 22 Jun '09

22 Jun '09

Dear all, As you may be aware, YNiC will be undergoing an extensive updating of its computing facilities over the summer. This large-scale project will require a full closure of the centre for two weeks. In order to allow the MSc students to complete their work, we have scheduled the work to commence immediately after the MSc project deadline (21st August). YNiC will therefore be completely closed to users from 17:00 on Friday 21st August until 09:00 on Monday 7th September. We hope you understand that this time will allow us to perform the necessary work to update and imporove the facilities at YNiC. [***** Please note that this will not directly affect the Psychology mail server (although a short outage period of a couple of hours may be necessary over one of the weekends - this will be arranged and announced nearer the time). *****] Many Thanks, Tony

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YNiC seminar 25th June
by rem 22 Jun '09

22 Jun '09

Dear Users This Thursday (4-5 pm) in YNiC open plan, there will be a presentation on a "work in progress" MEG project. This project is being carried out by Rebecca Millman and Philip Quinlan. The title of the talk is "The temporal envelope of speech is represented on multiple time scales". Everyone is welcome to attend. Best wishes Rebecca Abstract: "The aim of this study was to determine the auditory cortical mechanisms that form the basis of representing the temporal envelope of speech in humans. The Asymmetric Sampling in Time (AST) model [e.g., Poeppel, D. (2003). The analysis of speech in different temporal integration windows: cerebral lateralization as “asymmetric sampling in time”, Speech Commun. 41: 245-255] proposes that speech perception involves multiple representations of the speech signal on at least two time scales. The AST model posits that the representation of speech is asymmetrical in the time domain as the left auditory areas preferentially integrate information from short (~20-40 ms) temporal windows whilst the right hemisphere homologues preferentially extract information from long (~150-250/300 ms) integration windows. Poeppel and colleagues, (e.g., Poeppel, 2003), suggest that temporal integration is reflected as oscillatory neuronal activity in at least two different frequency bands (theta, gamma). The AST model (e.g., Poeppel, 2003) hypothesises that the hemispheric lateralisation of speech processing results from speech driving gamma activity in the left hemisphere and theta activity in the right hemisphere. Magnetoencephalography (MEG) was used to determine whether changes in power in the canonical electrophysiological frequency bands (delta, theta, alpha, beta, gamma and high gamma) are used to represent speech processing. The speech stimuli were noise-vocoded single words. The attentional state (non-attend vs. attend) of the participants was manipulated. MEG beamformers were used to filter the data into the canonical frequency bands and localise the brain areas involved in processing the speech stimuli on the basis of these frequency bands. The results suggest that 1) the speech temporal envelope is represented on multiple time scales, 2) these time scales are commensurate with the canonical frequency bands corresponding to delta, theta and gamma activity, and 3) the attentional state of the participant modulates the spatiotemporal representation of the speech temporal envelope." -- ************************************************************************ Dr. Rebecca E. Millman Science Liaison Officer York Neuroimaging Centre The Biocentre York Science Park Heslington YO10 5DG Tel: +44 (0) 1904 567614 Fax: +44 (0) 1904 435356

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YNiC seminar today
by rem 18 Jun '09

18 Jun '09

Tony Morland will give a talk on "fMRI evidence for abnormal thalamo-cortical connections in a blindsight patient" from 4-5 pm in YNiC open plan. Everyone is welcome to attend. -- ************************************************************************ Dr. Rebecca E. Millman Science Liaison Officer York Neuroimaging Centre The Biocentre York Science Park Heslington YO10 5DG Tel: +44 (0) 1904 567614 Fax: +44 (0) 1904 435356

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YNiC seminar 18th June
by rem 15 Jun '09

15 Jun '09

Dear Users This week Tony Morland will give a talk on "fMRI evidence for abnormal thalamo-cortical connections in a blindsight patient" from 4-5 pm in YNiC open plan. Everyone is welcome to attend. Best wishes Rebecca -- ************************************************************************ Dr. Rebecca E. Millman Science Liaison Officer York Neuroimaging Centre The Biocentre York Science Park Heslington YO10 5DG Tel: +44 (0) 1904 567614 Fax: +44 (0) 1904 435356

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no YNiC seminar this week
by rem 08 Jun '09

08 Jun '09

Dear Users There will not be a YNiC seminar this Thursday (11th June) as it is the undergraduate Leaving Day. Best wishes Rebecca -- ************************************************************************ Dr. Rebecca E. Millman Science Liaison Officer York Neuroimaging Centre The Biocentre York Science Park Heslington YO10 5DG Tel: +44 (0) 1904 567614 Fax: +44 (0) 1904 435356

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Today in YNiC
by Gary Green 05 Jun '09

05 Jun '09

Dear Users This afternoon the Vice-Chancellor will be visiting YNiC. He will be showing the Chief Executive of HEFCE around the scanners and open plan area. They will arrive at about 3pm and leave at 3.45. If you are going to be working in YNiC today it would help us a lot if you could endeavour to be in YNiC during that time. We will ask people in the open plan to be prepared to say something about their work as I am sure the VC will select someone as he has done so on other visits. In MEG Andre will be demonstrating responses to visual stimuli and Mark Hymers, Michael Cowley and Simon Duckett will be demonstrating hyperpolarisation in MRI thanks Gary -- Gary Green York Neuroimaging Centre The Biocentre York Science Park Innovation Way Heslington York YO10 5DG http://www.ynic.york.ac.uk tel. +44 (0) 1904 435349 fax +44 (0) 1904 435356 mobile +44 (0) 788 191 3004

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Today's seminar cancelled
by Gary Green 04 Jun '09

04 Jun '09

I apologise but I will not be able to give the seminar today as I have to attend a meeting elsewhere -- Gary Green York Neuroimaging Centre The Biocentre York Science Park Innovation Way Heslington York YO10 5DG http://www.ynic.york.ac.uk tel. +44 (0) 1904 435349 fax +44 (0) 1904 435356 mobile +44 (0) 788 191 3004

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YNiC seminar 4th June
by rem 01 Jun '09

01 Jun '09

Dear Users This week Gary Green will give a talk on "Statistics for Neuroimaging" from 4-5 pm in YNiC open plan. Gary will talk about the different types of statistics that can be used for neuroimaging experiments. The aim of this talk is to open up a discussion about which statistical methods we should use in the context of statistical contrasts of experimental conditions. Everyone is welcome to attend. Best wishes Rebecca -- ************************************************************************ Dr. Rebecca E. Millman Science Liaison Officer York Neuroimaging Centre The Biocentre York Science Park Heslington YO10 5DG Tel: +44 (0) 1904 567614 Fax: +44 (0) 1904 435356

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