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* 30 Oct - '''''Sharon Wang''''' - ''''DSI-Studio demonstration'''' |
Methods group meetings
Thursday 2.30pm, CBU west wing seminar room unless otherwise stated.
Meetings currently planned in 2008
20 Nov - John Dunn - Models of recognition memory: A state-trace analysis The present paper addresses the current debate between univariate and bivariate models of recognition memory. Univariate models propose that a recognition decision is based on evaluation of a single strength-of-evidence dimension while bivariate models propose that the decision is based on the separate combination of two dimensions, often labeled as recollection and familiarity. Both of these models fit existing experimental data well and a definitive test has not yet been forthcoming. I apply state-trace analysis to this question and evaluate the crucial point that if the bivariate model is correct, there should be evidence of bidimensionality in the data. I report the results of four experiments and a meta-analysis of 37 published experiments which yield little or no evidence of bidimensionality. I conclude that the univariate model provides a consistent and parsimonious account of recognition memory and discuss the general application of state-trace analysis to other similar issues in memory, judgment and decision making.
30 Oct - Sharon Wang - 'DSI-Studio demonstration'
16 Oct - Rik Henson - 'DCM for fMRI and MEG/EEG'
Meetings in the past
10 July - Journal club on paper by Y. Iturria-Medina et al. 'Characterizing brain anatomical connections using diffusion weighted MRI and graph theory', Neuroimage 36(3). For those with permissions it's on the wiki at http://imaging.mrc-cbu.cam.ac.uk/methods/DiffusionPapers under 'Tractography'. They use graph theory (but not 'graphical models') probabilistic structural maps and Diffusion Weighted Imaging to look at probabilistic anatomical connectivity maps.
1 July - Tips for EEG MEG MRI data collection: because you only collect the data once. - DanielWakeman
23 June - Discussion on the different methods that have been used to identify DTI fibre tracks and to measure DTI connectivity between regions - JohnGriffiths (See http://imaging.mrc-cbu.cam.ac.uk/methods/ApproachesToUsingFiberTracking)
21 February - Methods Group Strategy: IanNimmoSmith, ChristianSchwarzbauer and MatthewBrett
14 February - Code Version Control: MatthewBrett
31 January - OS Scripting in Python: MatthewBrett
24 January - Detecting and handling bad MEG channels: OlafHauk and KambizTavabi
17 January - CC Chen (FIL, London): DCM for induced EEG/MEG responses - MeetingDcmMegChen
- 13 December - TBA
- 6 December - discussion on MEG analysis pipeline
29 November - journal club on cortical surface modeling - MeetingCorticalSurfaces - IanNimmoSmith
- 22 November - discussion of methods group strategy
15 November - DTI discussion and journal club - MeetingTbssDti - MatthewBrett
18 October: Journal club on DTI methods - [:UsingThisWiki:authorized] Cambridge users see DiffusionTensorPapers - IanNimmoSmith
23 August - Spin Echo fMRI - ChristianSchwarzbauer
9 August: Differences between MEG and EEG; MeetingMegEeg; OlafHauk, OlegKorzyukov
2 August: How to be a better programmer: MeetingProgramming; MatthewBrett
26 July: Journal club, Power in voxel lesion mapping; MeetingVoxelPower; IanNimmoSmith
20 July (provisional) High-resolution FMRI, and current options at the CBU - ChristianSchwarzbauer
13 July: Getting going with MEG - GettingGoingWithMeg - DannyMitchell, OlafHauk
6 July: SPM clinic - MatthewBrett
28 June: Introduction and motivation for NIPY (neuroimaging in python) - MeetingNipy - MatthewBrett
21 June: Review methods talks / abstracts from HBM2007 - [:UsingThisWiki:authorized] Cambridge users see MeetingHbm2007
- 14 June: No meeting, HBM conference
7 June: Multivariate journal club - [:UsingThisWiki:authorized] Cambridge users see MultivariateJournalPapers - IanNimmoSmith
1 June (NOTE this is a Friday rather than a Thursday): Talk, Said Boujraf, Ultra fast BOLD fMRI Using Single Shot Spin-Echo EPI With SENSE at 3 Tesla. See SaidBoujrafAbstract.
24 May: Writing organizing and sharing software - introductory talk and discussion of how best to share software within the CBU and with other labs: MeetingSharingSoftware - MatthewBrett
17 May: Whence methods? - information gathering about current and future methods support and development - IanNimmoSmith
10 May: Discussion of diffusion analysis - MatthewBrett