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Signal Processing analysis of sender-receiver causal brain networks and modulator sites reveals the mechanism behing brain communication and neuromodulation.

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gdelfe/Coherence_analysis_of_brain_causal_networks

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Neuro-modulation in causal brain networks and coherence spectral analysis

I created and wrote the codes in this repo for the following research study:

Causal evidence of coherent theta rhythms in the modulation of multiregional brain communication
Gino Del Ferraro, Shaoyu Qiao, J. Isaac Sedillo, Bijan Pesaran

Brief Summary:
Understanding the mechanisms behind neuromodulation is crucial to shed light on multi-regional brain communication and to manipulate brain activity through BMIs. In this work we first establish a sender-receiver causal network in the non-human primate brain by simultaneously stimulation and recording of multiple electrodes covering several brain areas. Additionally, we identify a class of recorded sites which modulate the sender-receiver communication by acting as a gate.

Screenshot from 2022-04-25 13-26-00

By studying the resting state dynamics of the sender, receiver, and modulator sites, we then investigate the modulation mechanism behind the sender-receiver communication thoughout spectral analysis of power spectral densities and coherences and establish whether the modulation mechanism is region- or site-specific.

The codes for the different types of analysis can be found respectively here:

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Signal Processing analysis of sender-receiver causal brain networks and modulator sites reveals the mechanism behing brain communication and neuromodulation.

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