cognition   12183

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Pareidolia - Wikipedia
Pareidolia (/pærɪˈdoʊliə/ parr-i-DOH-lee-ə) is a psychological phenomenon in which the mind responds to a stimulus, usually an image or a sound, by perceiving a familiar pattern where none exists.

Common examples are perceived images of animals, faces, or objects in cloud formations, the Man in the Moon, the Moon rabbit, hidden messages in recorded music played in reverse or at higher- or lower-than-normal speeds, and hearing indistinct voices in random noise such as that produced by air conditioners or fans.[
words  phenomena  faces  cognition  psychology 
yesterday by earth2marsh
[PDF] Derivation of the Variational Bayes Equations Alianna J. Maren
The derivation of key equations for the variational Bayes approach is well-known in certain circles. However, translating the fundamental derivations (e.g., as found in Beal (2003)) to the notation of Friston (2013, 2015) is somewhat delicate. Further, the notion of using varia- tional Bayes in the context of a system with Markov blankets requires special attention. This Technical Note presents the derivation in de- tail. It further illustrates how the variational Bayes method provides a framework for a new computational engine, incorporating the 2-D Cluster Variation Method (CVM), which provides a necessary free en- ergy equation that can be minimized across both the external and representational systems, respectively.
free-energy-model  representation  to-understand  explanation  cognition 
3 days ago by Vaguery
How to Read Karl Friston (in the Original Greek) – Alianna J. Maren
What Friston offered, though, was three crucial points:

The brain minimizes free energy (although not specifying exactly what the free energy function is),
A variational Bayes process can help us model the free energy within the brain, and
We can separate out the so-called “latent” or “hidden” units that are in the actual external (brain) system from those in the model.
It’s this last point that is not terribly obvious in reading Friston’s papers for the first, second, or even tenth time. However, it is an essential and core insight. It also is one of those (small, detailed) things that makes Friston’s work impenetrable to all but the most determined efforts.
cognition  representation  explanation  to-understand  philosophy-of-science 
3 days ago by Vaguery
The one question I should’ve asked before learning to program
“Chunking helps you unite bits of information together through meaning,” Oakley writes in A Mind for Numbers.

She uses a puzzle as an analogy. A new concept is like a bunch of scattered puzzle pieces. “Just memorizing a fact… without understanding or context doesn’t help you understand what’s really going on, or how the concept fits together with the other concepts you are learning.”
python  learning  barbara.oakley  cognition  training 
3 days ago by po
What Is The Role Of Creativity In UX Design? (Smashing Magazine)
Susan Weinschenk описывает принципы работы мозга во время решения креативных задач. Речь не в попеременной работе правого и левого полушарий, а в принципах трёхуровневой обработки информации.
UX  issue  cognition  psychology  creativity  theory 
4 days ago by jvetrau
Expensive Placebos Work Better | In the Pipeline
What everyone got, though, was saline. There was no drug. Both placebo doses improved motor function, which was expected: the placebo effect has been documented (PDF) in Parkinson’s patients before. But when patients were told that the first dose was the expensive one, the effect was greater than when they were told that the first dose was the cheap one.
psychology  cognition  health 
6 days ago by rmohns

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