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10

This question becomes more complicated if we think in terms of "emotions" (e.g., angry, happy, sad, afraid, etc.) than in terms of "affect" (positive and negative feelings, high and low arousal). I'll start with affect and move on to emotions. An affective state tags an object with a certain value--and it does so very quickly (e.g., Pham, 2007). For ...


7

The two main folks in crying research (of whom I'm aware) are Ad Vingerhoets and Jonathan Rottenberg. They've (together and separately) published reviews of adult crying and crying across the lifespan, as well as empirical articles. The general impression they give is that we know very little about the neuropsychobiology of crying, given that crying has ...


7

It appears that there's been a lot of research done by USC professor Antonio Damasio on the importance of emotions. There's some fascinating case studies and interviews that are worth reading and listening to, but the short summary, as I understand it, is: Emotions are important because they end up directing reason. Without emotion, there are simply too ...


6

Actual correlation between physical attractiveness and IQ is somewhere between insignificant and mildly positive, with a slightly higher correlation for men. The correlation between physical attractiveness and perceived intelligence is more significant. There are typically two approaches to explain this (nature vs. nurture): From an evolutionary ...


5

Are emotions really necessary for survival? No, not for survival; lots of living things around us without even a brain. Did emotions provide an evolutionary advantage in the past? The areas of the brain we associate with emotion were around far back in our evolutionary past - long before conscious reasoning appeared. Emotions are still an important part ...


4

Interestingly, the same question you asked has been asked since quite some time: The Act of Creation, 1964 - Arthur Koestler What is the survival value of the involuntary, simultaneous contraction of fifteen facial muscles associated with certain noises which are often irrepressible? Laughter is a reflex, but unique in that it serves no apparent ...


2

There are some mentions of Evolutionary Game Theory in this Behavior & Brain Sciences (BBS) article by Andrew Colman (2003). The main article itself only has a brief section on EGT. However, like all BBS articles, there are short commentary articles after the main article. A few of these deal directly with EGT. I was able to find the relevant articles ...


2

The following comes from my research experience using fMRI to study the human visual system. Overall, peoples brains are similar to each other on higher scales, and become very different from each other as the scale becomes smaller. Differences between different people start with brain size and sulci patterns. Also male and female brain anatomies will be ...


2

In addition to @mrt's great answer. I feel that the following excerpt from the 'crying' section from the "The Newborn Infant" chapter in my Developmental Psychology classes' textbook would shed light on your question. This is quoted directly from "How Children Develop, Third Edition" by Robert Siegler, Judy DeLoache and Nancy Eisenberg": How do you feel ...


2

Short answer Emotions are not necessary for survival, but they may provide evolutionary advantages. Background Although crocodiles cry, they do not feel any remorse in killing their prey when shedding tears doing so (they empty their lachrymals when snapping their jaws shut). Given their relative brain size we can expect (but never know) that they do not ...



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