The systematic organization of stimuli, cognitive processes, or theory; also, categorical models

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138 views

Does correcting responses after feedback lead to better learning?

In a typical supervised learning experiment, one might present visual stimuli, e.g. faces, one after another and ask participants to classify each one into one of two categories, e.g. A and B. Usually ...
3
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63 views

Combining unbiased hit rates

I am analysing data on an emotion perception task, where participants must decide if a given face is happy, sad, angry or fearful (essentially a forced choice between 4 options). I am confident that ...
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60 views

Which parts of the brain are used when identifying and sorting email messages?

When most people view their email inboxes, they'll see several different types of messages; for example, emails which have been auto-generated by services we use, communications with real humans which ...
5
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455 views

What is the relative importance of shape and color in object recognition?

Do people recognize objects faster when both shape and color are present? Can color introduce more cognitive load to identify the object? Let's say there is a row of icons. Users need to quickly (no ...
5
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65 views

What functions does the brain perform to recognize a familiar object unconsciously?

Let's say a person's brain experiences how a vehicle/object looks for the very 1st time. It would require lot of attention/focus/processing to analyse the object, extract features and train its neural ...
5
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179 views

What is the minimum angle off horizontal before a line visually appears inclined at first glance?

Here is a straight line, which visually looks like a straight line: At first look (lets say minimum 2–3 sec.) the line below looks straight, but after some time you can see that it is actually an ...
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96 views

Binary classification as a cognitive strategy?

Is there any research investigating whether the human cognitive system has a tendency to reduce complex systems or spectra of data in terms of binary contrast? There are many common-sense dual ...
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95 views

Which of ML classifiers do humans use?

Background: In many situations, people use to classify objects without knowing Machine Learning theory. For example, if small children see an unknown animal in the wild, (s)he tries to classify it as ...
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91 views

How to compare linear and categorical models of perceptual comparisons?

Say I have a confusion matrix of perceptual similarity data for stimuli drawn from an underlying continuous spectrum. Participants also learned to categorise these stimuli such that the spectrum is ...