Difference between revisions of "NA"

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'''Objective:'''
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'''Objective:''' This project assesses working memory using an auditory verbal version of the n-back task paradigm. Three conditions are presented in blocks in counterbalanced order with increasing working memory load demands (0-, 1-, 2- and 3-back). We will use NAMIC tools to perform novel analyses of the relationships between brain activation and morphological data (e.g., ROI volumes, DTI) in order to improve our understanding of structure-function relationships and connectivity in schizophrenia.
  
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* Enable Slicer3 to execute work in a distributed grid environment
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'''Progress:''' To date, 16 patients with schizophrenia and 13 healthy controls have been studied. Preliminary analyses on a subgroup have been completed (see image below). Data will be available in year three.
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* Enable NA-MIC algorithms to be tested in a distributed grid environment
 
  
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'''Progress:'''
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[[Image:NAMIC_prelim_n2bk_results_good.jpg|[[Image:NAMIC_prelim_n2bk_results_good.jpg|Image:NAMIC_prelim_n2bk_results_good.jpg]]]]
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* Installed and updated grid infrastructure components: namic-srb submit machine, implemented configuration for Condor/Globus/GSI to allow NA-MIC users access to 64 node cluster.
 
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* Defined Data Execution Model for Slicer3 - The purpose of this is to facilitate a "run-everywhere" philosophy for algorithm writers. If NAMIC adopts a standard for algorithm "self-description" that is followed when command line executables are written, Slicer, the grid, clusters, etc... should be able to use the executables directly in their environment.
 
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* Defined API for the Grid Interface - based on the execution model, this API enables the running of algorithms in a distributed grid environment
 
  
 
'''Key Investigators:'''
 
'''Key Investigators:'''
  
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* UCSD BIRN-CC: Jeffrey Grethe, Brendan Faherty
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* Dartmouth: Andrew Saykin, Robert Roth, Laura Flashman, John West, Thomas McAllister
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* Harvard: Martha Shenton, Marek Kubicki
  
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'''Links:'''
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'''Links'''
  
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* [[2006_Project_Week_MIT_Grid_Integration|2006 Programming Week Project Page]]
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* [[DBP:Marek_Kubicki_visit_Dartmouth_December_20_2005|December 20, 2005: Marek Kubicki visit to Dartmouth]]
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* [[Slicer3:Grid_Interface|Slicer3:Grid_Interface]]
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* [[DBP:Andy_Saykin_visit_BWH_December_14_2005|December 14, 2005: Andy Saykin and Group visit to Brigham and Women's Hospital]]
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* [[Slicer3:Execution_Model|Slicer3:Execution_Model]]
 

Revision as of 13:28, 18 December 2006

Home < NA

Objective: This project assesses working memory using an auditory verbal version of the n-back task paradigm. Three conditions are presented in blocks in counterbalanced order with increasing working memory load demands (0-, 1-, 2- and 3-back). We will use NAMIC tools to perform novel analyses of the relationships between brain activation and morphological data (e.g., ROI volumes, DTI) in order to improve our understanding of structure-function relationships and connectivity in schizophrenia.

Progress: To date, 16 patients with schizophrenia and 13 healthy controls have been studied. Preliminary analyses on a subgroup have been completed (see image below). Data will be available in year three.

Key Investigators:

  • Dartmouth: Andrew Saykin, Robert Roth, Laura Flashman, John West, Thomas McAllister
  • Harvard: Martha Shenton, Marek Kubicki

Links

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