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Tosif Ahamed

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People / Tosif AhamedPachitariu LabStringer LabTosif Ahamed
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Theory Fellow
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Biography

I am a Theory Fellow at HHMI's Janelia Research Campus, where I work closely with Marius Pachitariu and Carsen Stringer on developing theory driven methods to analyze large scale neuro-behavioral datasets. I've had a meandering research career, straddling the boundaries between experiment, theory and computation. I started with human BCI, studied brains of glider pilots then moved to the opposite end of complexity spectrum in my PhD, where I developed biophysical models of worm behavior.

At Janelia I am thinking about how to extract as much information from experimental data as possible. Neurobehavioral recordings often capture only part of the governing underlying dynamical processes. Various embedding theorems in dynamical systems literature provide theoretical conditions under which topological information about the underlying dynamical processes can be extracted from partial noisy recordings. A part of my research is to convert these theoretical ideas into useful methods for reconstructing the neural and behavioral dynamics. Another part involves characterizing the reconstructed dynamics through dynamical primitives such as fixed points and periodic orbits.

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Education

PhD, Biophysics, Okinawa Institute of Science and Technology
MS, Computational neuroscience, University of Edinburgh
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Featured Publications

Ahamed et al.
10/05/20 Capturing the continuous complexity of behaviour in Caenorhabditis elegans
Lu, Ahamed et al.
11/07/22 Extrasynaptic signaling enables an asymmetric juvenile motor circuit to produce symmetric undulation
Costa, Ahamed et al.
02/21/23 Maximally predictive states: From partial observations to long timescales