Matthieu Chidharom's Avatar

Matthieu Chidharom

@matthieu-mx.bsky.social

Postdoctoral Researcher - Made in France πŸ‡«πŸ‡· - trying to understand why we get distracted - w/ Ed. Vogel and M. Rosenberg - University of Chicago

55 Followers  |  65 Following  |  13 Posts  |  Joined: 03.10.2024  |  1.6842

Latest posts by matthieu-mx.bsky.social on Bluesky

In any case, this β€œbath” does not really seem to affect the efficiency of the decoding for control and selective attention to the relevant stimulus. Maybe the bath affects (or is) the response selection, but I think we will need another task design to test this idea πŸš€

30.09.2025 15:07 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
OSF

Maybe what we are decoding is the noise induced by competition between alternative goalsβ€”we proposed this idea in another preprint using a task-switch paradigm : osf.io/preprints/ps...

30.09.2025 15:07 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
OSF

The question is: what exactly is it bathing in, beyond an attentional state? Could it be the level of arousal? We have a preprint showing that it’s not really the case: osf.io/preprints/ps...

30.09.2025 15:07 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

It’s likely that the goal (task-set) directs selective attention toward relevant stimuli and response selection, and that all of this β€œbathes” in an attentional state of low or high distraction.

30.09.2025 15:07 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

That’s an excellent question, and modeling the effect could be really useful. If you look at the latency of decoding onset, it is earlier for the task-set than for selective attention.

30.09.2025 15:07 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

In Figure 4, we found no difference between in- vs. out-task decoding. However, we think participants put more effort into maintaining the (abstract) task during out periods, which leads to more sustained task decoding.

30.09.2025 14:59 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

We also love the controls in Fig. 3, thanks to the great Henry Jones!! We think that the zone decoding looks evoked probably because we are baselining the data…

30.09.2025 14:59 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

We have a handgrip in the lab that allows us to measure response force, and I think it could be great to use it to address this question and see vigor difference in- vs out-of-the-zone

30.09.2025 14:59 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Thank you for your questions, I love this kind of feedback! It’s possible that we detect some low-level response feature, even if the motor responseβ€”pressing the space barβ€”remains quite simple, and differences in vigor are unlikely.

30.09.2025 14:59 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Thanks @benediktehinger.bsky.social for asking! I was initially planning to wait until the paper was accepted before making the code and data public, but why wait? Here’s the OSF link: osf.io/kw2fz/ πŸš€

30.09.2025 03:02 β€” πŸ‘ 6    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
Preview
Decoding Distraction From the Human Brain: A Unique Neural Signature Beyond Failures of Selective Attention and Control Distraction is a universal feature of human cognition, yet the reasons why it occurs remain poorly understood. Theories of sustained attention often point to failures of cognitive control in maintaini...

3/Preprint here: www.biorxiv.org/content/10.1...

28.09.2025 19:14 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 2    πŸ“Œ 0
Post image

2/Our RSA analysis also shows that this distractibility signature is unique β€” independent of failures in cognitive control (goal maintenance) or selective attention to relevant stimuli.

28.09.2025 19:14 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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1/ Why are we so easily distracted? 🧠 In our new EEG preprint w/ Henry Jones, @monicarosenb.bsky.social and @edvogel.bsky.social we show that distractibility is associated w/ reduced neural connectivity β€” and can be predicted from EEG with ~80% accuracy using machine learning.

28.09.2025 19:14 β€” πŸ‘ 57    πŸ” 23    πŸ’¬ 1    πŸ“Œ 1

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