For questions regarding the physiological and environmental stimuli that shape our perceptions and influence our behavior.

learn more… | top users | synonyms

4
votes
1answer
225 views

Why do humans/primates laugh/smile when they are happy, and not cry?

This might sound funny. But I have been wondering why do humans/primates laugh or smile when they are happy or find something funny? Why don't they cry when they are happy and laugh/*smile* when they ...
2
votes
2answers
129 views

Mulitiple partners: macho man vs. easy woman?

I sometimes hear from my friends that a man who has many female sexual partners is regarded as macho. But on the other hand, a woman with a lot of one-night stands is thought to be easy and desperate ...
2
votes
3answers
9k views

Why does a person feel sad without knowing the reason?

I have known people to behave in a way they despise, and they don't know why.
5
votes
2answers
175 views

The effect of proper food intake on emotions and brain function

Recently I wasn't eating at the proper time and I often skipped meals. I was angry, stressed before taking my meal, and suddenly, I felt good after having my dinner. I have felt the same way many ...
6
votes
2answers
257 views

Why do we scream in pain and fear?

Why do humans (other living things too, but not sure) scream and make high pitched sounds when in pain* or when in fear that something painful* will imminently be inflicted upon them? * both ...
0
votes
1answer
59 views

Why does one's mind swing between different moods based on external circumstances?

This is an objective question even though the example I have mentioned below is subjective. Is this a universal phenomenon, or is it only something that I have perceived? Scenario1: Event: ...