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Hi Lin,
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<div class="">The answer to your question depends on the topology of the source space.</div>
<div class="">If the dipole positions are defined on a regular 3D grid, the neighbourhood is implicit in their order.</div>
<div class="">If the dipole positions are defined on a cortical mesh (that includes a triangulation), the neighbourhood can be determined from the triangulation.</div>
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<div class="">Best wishes,</div>
<div class="">Jan-Mathijs</div>
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<div class="">On 18 Mar 2021, at 01:59, Lin Wang <<a href="mailto:wanglinsisi@gmail.com" class="">wanglinsisi@gmail.com</a>> wrote:</div>
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<div style="margin: 0in; font-family: Calibri; font-size: 11pt;" class="">Hi field excerpts,</div>
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<div style="margin: 0in; font-family: Calibri; font-size: 11pt;" class="">I'd like to implement a searchlight type of multivariate analysis in the MEG source localized data, but I don’t know where to find the information about neighboring voxels for each voxel.</div>
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<div style="margin: 0in; font-family: Calibri; font-size: 11pt;" class="">I guess this is also relevant to the definition of the neighborhood when conducting cluster-based permutation tests in the source space.</div>
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<div style="margin: 0in; font-family: Calibri; font-size: 11pt;" class="">Could anyone help me?</div>
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<div style="margin: 0in; font-family: Calibri; font-size: 11pt;" class="">Thank you very much!</div>
<div style="margin: 0in; font-family: Calibri; font-size: 11pt;" class="">Lin</div>
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