modelling the human brain

Efforts for brain reverse engineering are growing fast.
Reserchers all over the world are collecting data on structures and dynamics of brain areas. How those systems behave could be reconstructed and analyzed through detailed simulations that could be also used to perform experiments in computo, where the model is an accessible preparation. Therefore, main modelling topics are: targeting level of detail, translating cell properties into model parameters, very large-scale modelling and exposing results for analysis...

2011-04-06

Working on connection strategies based on NeuroML specifications (all_to_all, fixed_probability, per_cell_connection) and also reasoning on R*Tree strategies.

2011-03-02

First draft of methods to support NeuroML specifications. Splitneuron Project has been added to tools!

2011-01-03

Developing methods to support specifications to reach an highly biological detail with compartmental approach.

2010-12-18

Successfully tested (both on Linux and Darwin) a randomly connected network of 1 million neurons and 1 billion synapses (see examples).

2010-12-13

Project has been accepted by INCF! Check it on

2010-11-20

First example of splitneuron library uploaded on page. Izhikevich polychrony as an excuse to show: network definition and initialization not hardcoded done by loading SQL file, operations on database tables (other features coming soon...).

2010-09-20

Completed design of database DB-STD version. First attempts of coding database extensions.
See splitneuron.

2010-04-11

First draft of renewed splitneuron library uploaded on . This version retains only Izhikevich' spiking neuron model and lowers neuron cell detail to a compartmental level.

splitneuron

Simulation Library
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Current Task: Database extension
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Refactoring old splitneuron

Database schema

Database extension

NeuroML functions

MPI functions

SQLite/OpenCL function extension
database-based
simulation library
An innovative approach to large-scale, biologically plausible, neural-network simulation library.
Based on data structures and methods directly coded into database, information flow implying separation of data representing neurons, conceived to share load on multiple machines and calibrating operational load on each machine, splitneuron is the first database-based simulation tool! (...more)
atnu

Simulation Manager
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Current Task: Preliminar survey and interface design

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web-based
simulation manager
A platform-independent simulation manager which includes cluster design (hardware definition and arrangement), network design (cell, connections and population building), runtime controller (automatic code generation, compiling and executing), data exposition (in-site analysis and various database exporting options).
See stakeholder evaluation screenshots.