Representation and computation in visual working memory
The ability to sustain internal representations of the sensory environment beyond immediate
perception is a fundamental requirement of cognitive processing. In recent years, debates …
perception is a fundamental requirement of cognitive processing. In recent years, debates …
Sensory perception relies on fitness-maximizing codes
Sensory information encoded by humans and other organisms is generally presumed to be
as accurate as their biological limitations allow. However, perhaps counterintuitively …
as accurate as their biological limitations allow. However, perhaps counterintuitively …
A unifying theory explains seemingly contradictory biases in perceptual estimation
Perceptual biases are widely regarded as offering a window into the neural computations
underlying perception. To understand these biases, previous work has proposed a number …
underlying perception. To understand these biases, previous work has proposed a number …
Transformations of sensory information in the brain suggest changing criteria for optimality
TS Manning, E Alexander, BG Cumming… - PLOS Computational …, 2024 - journals.plos.org
Neurons throughout the brain modulate their firing rate lawfully in response to sensory input.
Theories of neural computation posit that these modulations reflect the outcome of a …
Theories of neural computation posit that these modulations reflect the outcome of a …
A general framework for inferring Bayesian ideal observer models from psychophysical data
A central question in neuroscience is how sensory inputs are transformed into percepts. At
this point, it is clear that this process is strongly influenced by prior knowledge of the sensory …
this point, it is clear that this process is strongly influenced by prior knowledge of the sensory …
Efficient coding of numbers explains decision bias and noise
A Prat-Carrabin, M Woodford - Nature Human Behaviour, 2022 - nature.com
Humans differentially weight different stimuli in averaging tasks, which has been interpreted
as reflecting encoding bias. We examine the alternative hypothesis that stimuli are encoded …
as reflecting encoding bias. We examine the alternative hypothesis that stimuli are encoded …
Bias and variance of the Bayesian-mean decoder
A Prat-Carrabin, M Woodford - Advances in neural …, 2021 - proceedings.neurips.cc
Perception, in theoretical neuroscience, has been modeled as the encoding of external
stimuli into internal signals, which are then decoded. The Bayesian mean is an important …
stimuli into internal signals, which are then decoded. The Bayesian mean is an important …
Prior expectations in visual speed perception predict encoding characteristics of neurons in area MT
LQ Zhang, AA Stocker - Journal of Neuroscience, 2022 - Soc Neuroscience
Bayesian inference provides an elegant theoretical framework for understanding the
characteristic biases and discrimination thresholds in visual speed perception. However, the …
characteristic biases and discrimination thresholds in visual speed perception. However, the …
Imprecise probabilistic inference from sequential data.
A Prat-Carrabin, M Woodford - Psychological Review, 2024 - psycnet.apa.org
Although the Bayesian paradigm is an important benchmark in studies of human inference,
the extent to which it provides a useful framework to account for human behavior remains …
the extent to which it provides a useful framework to account for human behavior remains …
Neural codes in early sensory areas maximize fitness
It has generally been presumed that sensory information encoded by a nervous system
should be as accurate as its biological limitations allow. However, perhaps counter …
should be as accurate as its biological limitations allow. However, perhaps counter …