Wei Ji Ma Lab's repositories
collinearity
People take uncertainty into account when judging collinearity || source paper:Zhou, Y.*, Acerbi, L.* & Ma, W. J. (2020) The Role of Sensory Uncertainty in Simple Contour Integration, PLoS Computational Biology 16(11): e1006308
optimal_inference_of_sameness
Source paper: Optimal inference of sameness. Van den Berg R, Vogel M, Josic K, Ma WJ (2012)
pigeon_inference
Experiment exploring whether the visual system does causal inference over latent visual causes. Is there a common cause or is it random noise? Are people Bayes optimal? What's with the pigeons? Let's find out
variable_precision
source paper: Shen, S., & Ma, W. J. (2019). Variable precision in visual perception. Psychological review, 126(1), 89.
A-posterior-based-model-of-the-effects-of-fixation-on-choice
Zhiwei Li and Wei Ji Ma (2021) An uncertainty-based model of the effects of fixation on choice PLoS Computational Biology.
bayesian-estimation-tutorial
Documents and worksheets for Bayesian parameter estimation tutorial
BenchmarksWM
First set of data and R code for working-memory benchmarks.
BMD
Implementation of the Bayesian Microsaccade Detection algorithm described in Mihali, van Opheusden, and Ma, 2017, Journal of Vision
ChangeProb
Human Online Adaptation to Changes in Prior Probability || source paper: Norton EH, Acerbi L, Ma WJ, Landy MS (2019) Human online adaptation to changes in prior probability. PLoS Comput Biol 15(7): e1006681
confidence-multiple-alternatives
source paper: Li, H.H. and Ma, W.J. (2020). Confidence reports in decision-making with multiple alternatives violate the Bayesian confidence hypothesis. Nature Communications
distractor-stats-analysis
source paper: Calder-Travis, J., & Ma, W. J. (2020). Explaining the effects of distractor statistics in visual search. Journal of Vision, 20(13), 11-11.
FechnersLawInMetacognition
source paper: Van den Berg, Yoo, Ma (2017)
fixed-flexible-criterion
Companion repo for plots associated with "Challenging the fixed-criterion model of perceptual decision-making" (2023)
fourinarow
Code for running 4-in-a-row experiments and analyzing data
Horizontal-Vertical-Illusion
Psychophysics experiment on the Horizontal-Vertical Illusion || source paper: Zhu, Jielei Emma, and Wei Ji Ma. "Orientation-dependent biases in length judgments of isolated stimuli." Journal of vision 17.2 (2017): 20-20.
lab_website
Revamping Wei Ji Ma Lab website
ninarow
A reimplementation of Bas van Opheusden's Four-in-a-row repo (https://github.com/basvanopheusden)
repo_template
Repository Template
space_number
An experiment in which people estimate average magnitudes-- spatial and arabic numeral modalities
uncertaintyWM
code associated with publication: Yoo, A.H., Acerbi, L., & Ma, W.J. (in press). Uncertainty is Maintained and Used in Working Memory, Journal of Vision
v1_likelihood_probabilistic
source paper: A neural code for probabilistic computation in visual cortex Edgar Y Walker, R James Cotton, Wei Ji Ma, Andreas S. Tolias (2020)
WM_resource_allocation
modeling how people allocate attentional and memory resources on a spatial working memory task || source paper: Yoo, A. H., Klyszejko, Z., Curtis, C. E., & Ma, W. J. (2018). Strategic allocation of working memory resource. Scientific reports, 8(1), 1-8.