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Prikvačeni tweet
Happy to share my first PhD project as a
#preprint. We introduce DeepInsight: A general framework for interpreting wide-band neural activity. Can be applied on unsorted neural data + calcium imaging to decode continous behaviour or stimuli. Paper: http://biorxiv.org/content/10.1101/871848v1 …pic.twitter.com/9NrzPECM1E
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Markus Frey proslijedio/la je Tweet
The dendritic spatial code: branch-specific place tuning and its experience-dependent decoupling https://biorxiv.org/cgi/content/short/2020.01.24.916643v1 …
#biorxiv_neursciHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Congratulations Dr. Nau! You set the bar very high with a fantastic defense.
#officepartnerincrimepic.twitter.com/A04DQBgWG0
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Markus Frey proslijedio/la je Tweet
This Friday, Jan 24, I will be defending my
#PhDthesis. Want to join the livestream? Trial lecture, 10:15am, CET: The Role of the Hippocampus in Imagination & Dreaming Defense, 12:15pm: Perception & the Cognitive Map: deriving a stable world from visual inputs Stream below
pic.twitter.com/iSG4Pbrp8v
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Markus Frey proslijedio/la je Tweet
Solving the XOR problem using a dendritic activation functionhttps://www.reddit.com/r/MachineLearning/comments/eo7rle/p_solving_the_xor_problem_using_a_dendritic/ …
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As a side note, using the cosine as an activation function is also sufficient to get 1% error on MNIST (see http://www.deeplearningbook.org/ book section 6.3.3). Plotting done in python with
@matplotlibPrikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
However, a periodic activation function like cos, sin or tan finds the solution to the XOR problem, possibly because of the many local minimas (loss landscape shown for tangens)pic.twitter.com/sbtPTBB7SH
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Interestingly the same network using the rectified linear unit activation (ReLU) does not find the solution. The minima shown in this loss landscape is above the critical value of 0.37.pic.twitter.com/sULWTTIsth
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This is the loss landscape of the neural network solving the XOR problem with the dCaAPs activation function. The plateau explains why gradient descent has difficulties finding the minima using randomly initialized weights. https://twitter.com/CYHSM/status/1215644323229917189 …pic.twitter.com/DFSAT0QIFG
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To run the code directly in the browser, use this colab notebook: https://colab.research.google.com/drive/1r3HFV9o6cRYwqzf0U4JhBlSOUdcDUrtA … For more about dCaAPs see the paper by Gidon et al. and
@mattlark:https://science.sciencemag.org/content/367/6473/83.full …Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
A recent Science paper by Gidon et al. describes calcium-mediated dendritic action potentials (dCaAPs). Here is a TensorFlow/Keras implementation solving the XOR problem in a single artificial neuron using dCaAPs activation function:https://gist.github.com/CYHSM/f98b49fc244e786fb39dd843e400c0cb …
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Very proud of this work, together with
@caswellcaswell and@AndreaBanino from@DeepMindAIhttps://twitter.com/DeepMind/status/1206536220085501955 …
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Markus Frey proslijedio/la je Tweet
Together with
@CYHSM, we developed DeepInsight, a framework for decoding continuous behaviour and stimuli from raw neural data. This model is able to discover new neural correlates in hippocampal recordings and outperforms traditional decoding methods. http://biorxiv.org/content/10.1101/871848v1 …pic.twitter.com/J5FrAzjhJGHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Code is available here: http://github.com/CYHSM/DeepInsight … Thanks to all the people involved in this project,
@sandertanni,@c_perrodin, Alice O'Leary,@NauMatt,@jack_kelly,@AndreaBanino,@doellerlab and@caswellcaswellPrikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Markus Frey proslijedio/la je Tweet
You've got 10days left to apply for a postdoc position with me
@NeilBurgess10@CacucciLab at the@SWC_Neuro in collaboration with@behrenstimb - https://atsv7.wcn.co.uk/search_engine/jobs.cgi?amNvZGU9MTgzMjExMiZ2dF90ZW1wbGF0ZT05NjUmb3duZXI9NTA0MTE3OCZvd25lcnR5cGU9ZmFpciZicmFuZF9pZD0wJmpvYl9yZWZfY29kZT0xODMyMTEyJnBvc3RpbmdfY29kZT0yMjQ%3D&jcode=1832112&vt_template=965&owner=5041178&ownertype=fair&brand_id=0&job_ref_code=1832112&posting_code=224 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
I am also happy to talk about how we can interpret convolutional neural networks and make machine learning more accessible for neuroscience researchers.Come by from 8-12 at BB79
#SfN19.Work together with@sandertanni@c_perrodin@NauMatt@jack_kelly@AndreaBanino@caswellcaswellhttps://twitter.com/doellerlab/status/1186254727404773376 …
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This was a fun side project with
@NauMatt on Tumor segmentation. Code for the model architecture will be available here soon: https://github.com/CYHSM/unet_vae https://twitter.com/NauMatt/status/1181103022673469440 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Markus Frey proslijedio/la je Tweet
Excited to share our new
#preprint: Behavior-dependent directional tuning in the human visual-navigation network: https://bit.ly/2oCD2oA . Environmental coding in V1-RSC-PHC-EC-HPC pathway depends on behavior & successful cognitive mapping. /w@doellerlab,@T_N_Schroeder &@CYHSMpic.twitter.com/17YwepQ9Qw
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I really enjoyed this service after some really fun but also exhausting weeks on the Camino del Norte.https://twitter.com/Rainmaker1973/status/1177961292302311424 …
0:15Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Forgot to scale the decoding errors while plotting them across the arena and this is how you end up as a modern artist. Highest bid gets the code.
@matplotlibpic.twitter.com/hou7bmuyaR
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