Warrick Roseboom Profile picture
Aug 27, 2020 3 tweets 1 min read Read on X
For anyone interested in #embodiment science out there, just fyi, even the Mesmerists moved past the magic stick phase 200 years ago. en.wikipedia.org/wiki/Animal_ma…
Science!
picture is post magic stick phase obviously...

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More from @RoseboomWarrick

Sep 24, 2020
We have been trying to push the idea that time perception is based on predictive processing in perceptual networks for a while. A short thread 1/n

quantamagazine.org/reasons-reveal…
In a 2019 paper we used a simple algorithm to track the dynamics of an artificial neural network. To estimate “time” we measured the difference between network activations - a minimal naïve prediction error: 0 difference, the world hasn’t changed. 2/n nature.com/articles/s4146…
We showed that this approach could reproduce human time estimates for natural, first person videos, with the same pattern of biases as human observers. Especially the case when the input was constrained to approximate human viewing patterns. 3/n
Read 18 tweets
Jun 21, 2020
The biggest problem with such exchanges is that the ones dismissing valid criticism as bullying - thereby putting their critics into labelled boxes as 'outsider' so they can be safely ignored - are the ones that need help with their work the most...
The reason the criticism was levelled in the first place is that they are often making fundamental mistakes with methods/concepts. Having now rejected the assistance of their colleagues in order to protect themselves from criticism, they now persist with making the same mistakes.
And so the same criticisms arise over and over again, securing their feelings of being bullied while simultaneously redemonstrating the fundamental lack of understanding that got them there in the first place.
Read 6 tweets
Apr 3, 2020
Interested in rubber hand illusion and #embodiment? We’ve been looking at how subjective measures of ownership in RHI are confounded by suggestion effects. New pre-print on psyArXiv! (1/6) psyarxiv.com/uhdzs
Checkout #raincloudplot (petit prince plots?) in Fig. 4 – subjective ownership ratings strongly depend on whether participants are higher or lower in trait phenomenological control @micahgallen (2/6) Image
We ran several simulations of RHI experiments using a previously published large dataset and manipulated how many participants in a given experiment sample were above or below median trait phenom. control (3/6)
Read 7 tweets
Mar 20, 2020
Update! New version of our pre-print (by @maxine_sherman w/@zfountas & @anilkseth) on modelling activity in sensory cortex to predict subjective duration of natural scenes. Thanks to @virginie_vw & @MartinMwiener for their comments.
biorxiv.org/content/10.110…
anyone who read it previously and were like "nah, these people make no sense", try reading again and hopefully our position is clearer now
make sure to check out our other recent paper led by @zfountas

biorxiv.org/content/10.110…
Read 8 tweets
Mar 14, 2020
my favourite thing about #coronapocalypse is everyone (but especially the "cognitive neuroscientists") on twitter suddenly becoming experts in virology and epidemiology
if anyone from another expertise spewed onto twitter telling these people their business they would shout them down as outsiders who *obviously* know nothing because they come from a different discipline
at least #kingdomseason2 is on @NetflixUK. I'm not sure why but I found the first season overwhelmingly great. Apparently period Korean zombies is my thing
Read 5 tweets
Jan 15, 2020
ICYMI: new preprint by @maxine_sherman @zfountas @anilkseth and me. In a preregistered model-based fMRI analysis we show that individual human duration estimates for naturalistic videos can be reproduced from visual cortex BOLD @TimingForum biorxiv.org/content/10.110…
@maxine_sherman @zfountas @anilkseth @TimingForum Control models based instead on auditory or somatosensory cortex BOLD don't replicate human estimates. Conclusion: subjective duration is built on the processing of ongoing sensory content, not generic neural dynamics or specialised clocks. Image
@maxine_sherman @zfountas @anilkseth @TimingForum Preregistration, data and code can be found here: osf.io/2zqfu/ #openscience
Read 4 tweets

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