Hello Anh,

We have revised documentation for iaf_psc_exp including equations almost ready. You can preview it at

https://nest-simulator--3084.org.readthedocs.build/en/3084/models/iaf_psc_exp.html

I hope it answers your questions. If there should still be something unclear, feel free to comment in the pertaining pull request

https://github.com/nest/nest-simulator/pull/3084

Best,

Hans Ekkehard

-- 

Prof. Dr. Hans Ekkehard Plesser

Department of Data Science

Faculty of Science and Technology

Norwegian University of Life Sciences

PO Box 5003, 1432 Aas, Norway

Phone +47 6723 1560

Email hans.ekkehard.plesser@nmbu.no

Home http://arken.nmbu.no/~plesser

From: anh.phan@tuni.fi <anh.phan@tuni.fi>
Date: Monday, 1 April 2024 at 13:46
To: users@nest-simulator.org <users@nest-simulator.org>
Subject: [NEST Users] Questions regarding the iaf_psc_exp model

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Hello,

I have some questions regarding the iaf_psc_exp model. When it receives current from a current generator (with static synapse), does that current go to receptor_type 0 and not be filtered through an exponential kernel?

Secondly, I would like to confirm if the exponential PSCs follow the exponential function::  i_syn(t) = (q / tau_syn) * exp(-t / tau_syn) * Θ(t) ,  where Θ(t) is the Heaviside step function defined as Θ(t) = 1 fot t >0 and Θ(t) = 0 otherwise. Additionally, is q chosen to be equal to tau_syn?

Thank you very much!

Best regards,
Anh Phan
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