Twitxy Saved

Alex Weigard

@AlexWeigard

computational psychiatry and cognitive neuroscience researcher @UMich. substance use. attention. #rstats. mountain biking.
Joined September 2018
915 Following 340 Followers 413 Posts

Latest posts 5

Alex Weigard @AlexWeigard
Absolutely thrilled to see this paper finally out after many years of hard work by @rctomlinson! A deep dive, within a large developmental sample, into the ways evidence accumulation models do, and do not, improve inferences in the study of executive function and psychopathology.
Have you ever wondered “how should I be analyzing my cognitive task data”? Well, I’ve been obsessed with that question since first reading @AlexWeigard’s work in 2020. And now our deep dive is out in the Journal of Psychopathology and Clinical Science! psycnet.apa.org/doi/10.1037/ab…
View quoted post on X
0 replies 5 reposts 13 likes 1.2K views View on X
Alex Weigard @AlexWeigard
Excited to share our preprint on relations between the diffusion model's v parameter and racing accumulator model parameters! TLDR: although many people (myself included!) have previously called v a measure of "processing speed", we probably shouldn't.
osf.io/preprints/psya…
osf.io The diffusion model’s drift rate parameter primarily reflects efficiency, rather than speed, of... Applications of the diffusion decision model (DDM) to the study of cognitive individual differences consistently find that the model’s drift rate (v) parameter forms a cohesive factor across many...
1 replies 4 reposts 12 likes 619 views View on X