[FieldTrip] Fwd: correlation with behavioural data and cluster statistics

[Valeriya Belyaeva]

Thank you a lot, Arjen.

Best regards,
Valeriya

вт, 19 февр. 2019 г. в 18:44, Arjen Stolk <a.stolk8 at gmail.com>:

> Hi Valeriya,
>
> That looks to be correct use of the correlationT method. The behavioral
> data goes into the design matrix, as you did.
>
> Best,
> Arjen
>
> On Feb 19, 2019, at 6:35 AM, Valeriya Belyaeva <vabelyaeva94 at gmail.com>
> wrote:
>
>
>
> ---------- Forwarded message ---------
> From: Valeriya Belyaeva <vabelyaeva94 at gmail.com>
> Date: ср, 13 февр. 2019 г. в 16:28
> Subject: correlation with behavioural data and cluster statistics
> To: <fieldtrip at science.ru.nl>
>
>
> Dear fieldtrip developers,
>
> I have a question about correlation of neuronal and behavioural data. You
> have discussed this question here:
> http://www.fieldtriptoolbox.org/faq/how_can_i_test_for_correlations_between_neuronal_data_and_quantitative_stimulus_and_behavioural_variables/
>
> I have taken the code, which was given as an example and added
> cluster-based correction method. My goal is to perform correlation between
> neuronal and behavioural data and then to account for multiple comparisons
> with cluster statistics.
>
> Could you, please, tell me, whether this script does it?
>
> Here is the script:
>
> % example script
>
> cfg = [];
>
> cfg.statistic        = 'ft_statfun_correlationT';
>
> cfg.method           = 'montecarlo';
>
> cfg.numrandomization = 1000;
>
> cfg.correctm         = 'cluster';
>
>
> cfg.clusteralpha     = 0.025;
>
> cfg_neighb.method = 'triangulation';
>
> cfg_neighb.layout = 'acticap_62';
>
> cfg.neighbours = ft_prepare_neighbours(cfg_neighb, data_brain{:});
>
>
> n1 = 42;    % n1 is the number of subjects
>
> design(1,1:n1)       = behav_data(:,1); % mean reaction time by subject
>
> cfg.design           = design;
>
> cfg.ivar             = 1;
>
> stat = ft_freqstatistics(cfg, data_brain{:});
>
> Thank you a lot in advance!
> --
> Best regards,
> Valeriya Belyaeva
> HSE, Cognitive science and technologies
>
>
>
> --
> Best regards,
> Valeriya Belyaeva
> HSE, Cognitive science and technologies
>
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>


-- 
Best regards,
Valeriya Belyaeva
HSE, Cognitive science and technologies
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