For questions about changes with time in cognition, perception, and emotion in adults.

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2answers
36 views

Would Artificial Super-Intelligence From Science Fiction “Speed Up” The Brain and Wear it Out Faster Leading to Earlier Death?

In stories such as Flowers for Algernon by Daniel Keyes, the main character, Charlie Gordon, receives an operation on his brain that triples his intelligence. Could something like this be achieved if ...
2
votes
1answer
88 views

Do online mental age tests have any scientific validity?

If you google for 'mental age calculator', you can find several tests that claim being able to assess your mental age, as opposed to your chronological age. Is 'mental age' a valid scientific ...
5
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1answer
2k views

How does raw IQ change over the lifespan at the group-level?

In the classic review of intelligence research (Intelligence: Knowns and Unknowns), Neisser et al (1996) write the following Stability. Intelligence test scores are fairly stable during ...
17
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1answer
400 views

Does the effect of naturalistic exposure on second language acquisition vary with age?

A while back, I watched the movie The Terminal and the main character played by Tom Hanks learns to speak fluent English while he is stranded in the airport for more than a year. Which seems somewhat ...
6
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3answers
198 views

How does appreciation for music change over time for the same person?

I know that there's a concept of acquired taste, where a child may find certain tastes, like peppers and beer unappealing until certain age or frequency of exposure. Is there something similar to ...
5
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2answers
174 views

Why do people get “too old to learn”?

This may be a stereotype, but many of us encounter a lot of people who insist that they can't learn a new technology because they're too old. Some of these people can be brilliant learners in their ...
2
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1answer
79 views

At what point in our life do we know what is real?

Is "real" or reality defined during childhood, or as adults? Is this caused by age, or an event?
7
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2answers
212 views

What is the most common age for developing psychosis?

Background: Lately I've been watching a lot of Criminal Minds and in the season that I've just finished, one of the main characters - a 20-something Dr. Spencer Reid - is worried that he might be ...
22
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4answers
1k views

Perception of time as a function of age

For many people time seems to run faster as they get older. That is, for an old person an hour, a day or a year seems to be shorter than for a young person. Is there any hard data for such ...
8
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2answers
556 views

How good are people at guessing the ages of their respective ethnic group?

I have a Chinese friend and she says that she has a much harder time guessing Western people's ages than Eastern people's ages. No particular surprise here. For me it's the opposite. I have the ...
11
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1answer
532 views

To what extent are correlations of father's age with birth defects and autism causal?

I read the following in the paper today: Dr Karin Hammarberg ... said that while most children are born healthy, large studies of parental age were starting to show higher rates of birth ...
8
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1answer
169 views

Does having a sense of purpose increase longevity?

There is evidence that people who retire early tend to die earlier than people who do not. One interpretation of this finding is that having a sense of purpose improves psychological health and that ...
5
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1answer
788 views

Is the decline of fluid IQ with age less severe for professors and scientists than it is for other people?

This article in Time magazine suggests that engaging in challenging mental tasks may be associated with lower rates of mental decline in older adults. The article states that: In one study, ...
0
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1answer
636 views

Do people feel emotions less strongly as they grow older? [closed]

I'm specifically interested in whether or not their maximum ability to feel an emotion decreases as they grow older (so by that I'm meaning - let's ignore the effects of tolerance induced by life ...