For questions about the interaction of biological (or artificial) evolution and the cognitive agents that are influenced by it.

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17
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0answers
261 views

Development of social cognition as an alternative to the obstetrical dilemma

Human infants are strange in that they are born more helpless than the infants of other great apes. They are born with about 25-30% of their brain developed, compared to the 40-50% of other great ...
7
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0answers
523 views

Cultural brain hypothesis and gene-culture co-evolution

Recently, Joseph Henrich of UBC has been promoting his cultural brain hypothesis. The goal is to explain a selection pressure behind the development of the human brain and general intelligence. The ...
5
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0answers
767 views

Body Language: Why do we give each other the grumpy/frowning fake smile?

I've recently become aware of this - I kinda knew I was always doing it, but just now it got me self conscious and thinking about it: When crossing paths with a stranger, you are supposed to be ...
4
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0answers
76 views

How are sexual cues known by the brain?

Sexual cues have been well established in evolutionary psychology as indicators of genetic compatibility/useful genes. How does the human brain know that a cue is an indicator of a useful trait in ...
4
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0answers
113 views

Theories of Hunter/Gatherers in the 21st Century

Are there any theories or schools of thought that assume most humans still act as if they are still hunters/gatherers? Hunter/gatherer societies of today would still prefer to sit around and talk ...
4
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78 views

Why do we seem to have an internal drive to use different expressions(mostly when writing)?

How come we have so many words/phrases that share the same meaning? I suppose the most obvious answer to this would be that through communication between people with accent/language A and B, new ...
3
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0answers
25 views

Evolution of laughter

In one of his books (cannot recall title now) Konrad Lorentz (ethology study) describes the phenomenon of the appearance of a friendly smile as a spontaneous inversion of a warning grin. He does not ...
2
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0answers
19 views

Is it conceivable that even basic human behavior is genetically determinined only to a very limited extent?

I'm wondering whether even basic human behavior (beyond what appears to be directly wired into our nervous systems, like swallowing and face-related mirror neurons) are indeed facilitated by ...
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61 views

What evolutionary process(es) are thought to have enabled humans to experience dreams?

As some theories suggest, most, if not all, biological features in organisms exist due to environmental factors that trigger the organism's eventual adaptation to these factors for survival purposes. ...