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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 ...


8

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 ...


8

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 ...


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 ...


3

Human's fear of the dark comes from our evolutionary past. Scientists believe it is genetically encoded in our DNA to be afraid of the dark due to the attacks of predators on our ancestors mostly occurring at night. Our ancestors who were afraid of the dark survived predator attacks and thus lived, transferring that trait to us. Fear is normal and usually ...


3

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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