neuroelf_methods
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neuroelf_methods [2013/02/01 21:30] – jochen | neuroelf_methods [2013/02/02 00:38] (current) – added cluster table function jochen | ||
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===== List of methods (overview) ===== | ===== List of methods (overview) ===== | ||
- | The following list gives an overview on what methods of analysis and parameter estimation are implemented in NeuroElf (as far as they exceed basic operations, such as for example plain averaging across a dimension): | + | The following list gives an overview on what methods of analysis and parameter estimation are implemented in NeuroElf (as far as they exceed basic operations, such as for example plain averaging across a dimension, or auxiliary functions that are used for string manipulation, |
==== Cluster size threshold estimation (alphasim) ==== | ==== Cluster size threshold estimation (alphasim) ==== | ||
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* allows to estimate the cluster size threshold for fully independent components of a conjunction analysis | * allows to estimate the cluster size threshold for fully independent components of a conjunction analysis | ||
* as a still experimental feature allows to apply a shift in the Z-distribution to account for shifts in the observed distribution of a statistical map (e.g. by-chance global " | * as a still experimental feature allows to apply a shift in the Z-distribution to account for shifts in the observed distribution of a statistical map (e.g. by-chance global " | ||
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+ | ==== Cluster table generation ==== | ||
+ | [[Cluster table|Cluster tables]] are often presented in publications describing analyses where whole-brain mapping was performed, i.e. the attempt in localizing the spatial nodes within cortex that subserve a specific function. This function is | ||
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+ | * implemented in a combination of an M-file, **'' | ||
+ | * whereas the M-file provides a command-line interface with rich options for output formatting, converting coordinates, | ||
+ | * and the C/MEX-file provides the actual clustering of the binary (thresholded and masked) volume into separate spatial nodes | ||
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+ | Once a (thresholded) map has been segregated into separate volumes (such that voxels of different clusters do not " | ||
==== Conjunction analysis (minimum t-statistic) ==== | ==== Conjunction analysis (minimum t-statistic) ==== |
neuroelf_methods.1359754234.txt.gz · Last modified: 2013/02/01 21:30 by jochen