Cognitive Science Lecturer. Working on perception and experience of time. Misanthrope. Hypocrite.
Sep 24, 2020 • 18 tweets • 7 min read
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…
Jun 21, 2020 • 6 tweets • 1 min read
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.
Apr 3, 2020 • 7 tweets • 3 min read
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)
Mar 20, 2020 • 8 tweets • 3 min read
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
Mar 14, 2020 • 5 tweets • 2 min read
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
Jan 15, 2020 • 4 tweets • 7 min read
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 @TimingForumbiorxiv.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.
