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Brain Project Neurobench: a prototype for a neurophysiological recording database and analyses tool Michael Arbib and Erhan Oztop: Database Issues (Kyoto) 10-00 1 Brain Project What is actually recorded ? Experiment Conditions Trials Spikes Michael Arbib and Erhan Oztop: Database Issues (Kyoto) 10-00 2 Brain Project How much is available to the scientific community ? • Usually in a publication a small fraction of the recorded neurons are reported. • Because of space limitations, • Ambiguity of the neurons, •Lack of quantitative analysis tools and/or •Interest of the experimenter • Experimental errors (incomplete trials etc.) Michael Arbib and Erhan Oztop: Database Issues (Kyoto) 10-00 3 Brain Project What do the computational modelers need? • Lot of data! • Quantitative reports, answers to questions: when, how much etc. in numeric terms. • Ease of accessing data • Using only publications for the basis of modeling is not efficient/not feasible • Very little reported • Not enough data points to perform analysis • Not easy! Michael Arbib and Erhan Oztop: Database Issues (Kyoto) 10-00 4 Brain Project What kind of data do modelers need? • Neurophysiological Neurobench • Anatomical • Bibliographical Neurohomolgy database • Behavioral Michael Arbib and Erhan Oztop: Database Issues (Kyoto) 10-00 5 WWW Access for Neurobench2.0 NeuronBench Brain Project http://java.usc.edu/~erhan/nbench1.0 Functionality: A tool for examining cell records, adjusting time alignments, and producing histograms. In terms of implementation: • Java applet • Plain file structure Data: (not accessible to public) 14 mirror neuron recordings from area F5. Supplied by the Rizzolatti group in Michael Arbib and Erhan Oztop: Database Issues (Kyoto) 10-00 6 Brain Project Is Hand-object interaction required for Mirror Neurons to fire? Grasping observation Observation of mimic of grasping Monkey grasps himself Michael Arbib and Erhan Oztop: Database Issues (Kyoto) 10-00 7 Brain Project 10 minutes Neurobench DEMONSTRATION Michael Arbib and Erhan Oztop: Database Issues (Kyoto) 10-00 8 Brain Project Neurobench improvements and new features • Use of a commercial database • New analysis tools • Outlier detection • Correlation analysis, especially for multi-electrode recording studies • And any custom analysis (need help from neuroscientists) • Unification of different labs data sets • Transparent data storing in the process of data acquisition. • Security: different levels of access Michael Arbib and Erhan Oztop: Database Issues (Kyoto) 10-00 9