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10

This is a partial answer suggesting a possible causal mechanism. One of the factors leading to birth defects and autism is mutations in the parent's genetic material. In a recently published article, Sun et al. (2012) observed that: The paternal-to-maternal mutation rate ratio is 3.3, and the rate in fathers doubles from age 20 to 58, whereas there is no ...


9

Cross-race effect in facial processing As @analystic has noted, there is substantial research documenting what is sometimes called the "cross-race effect": Cross-race effect (sometimes called cross-race bias, other-race bias or own-race bias) is the tendency for people of one race to have difficulty recognizing and processing faces and facial ...


6

What I do not quite understand is: What is (according to Syka) "useless information" and how should we "avoid" this kind of information? Let me try and answer this as follows: During our lifetime, our brain undergoes "synaptic pruning", which lasts from childhood into puberty. Basically, the brain gets rid of "unused" synapses to make space for more ...


6

Firstly, the matter of lifestyle is probably a significant factor. Someone who is an alcoholic their whole life and never tries or learns new things is going to have a different outcome that somebody who is still learning new things and exercising and eating healthy. That being said, lifestyles equal, there's at least two factors in age-associated ...


5

This is probably an example of the "cross-race effect", in which people of one ethnic group (you're talking ethnicity, not culture here) have trouble distinguishing between members of another ethnic group. It comes down to familiarity basically - if we are more familiar with the features of a white face (for example) then we'll be able to notice minor ...


4

(Unfortunately, the links appear to be broken, so I will reply to the title and bolded question.) Being forced to use a language you are unfamiliar with as a language technique is known as immersion learning. I could not find direct comparisons of adults and children, but based on evidence from educational systems, it appears that early immersion does not ...


4

To extend on @BenCole comment, an interesting summary of different models of time perceptions can be found in this paper. These models are in a sense more descriptive than the fundamental biological hypothesis mentioned by caseyr547, so you might not be ready to call these "explanations", depending on what you mean by that. The models attempt to give a ...


3

It's better that way Disregarding how this is implemented biologically, the answer to why is because it provides optimal results. In learning systems where you are able to freely adjust the ability to learn - e.g., AI research 'reinforcement learning' paradigm, there is a tradeoff commonly called Exploration vs Exploitation - i.e., should the agent focus ...


3

Something to keep in mind is that anything you hear on TV is that it's probably not completely accurate. Psychosis is not a condition; it's a symptom of a condition. Psychosis can be involved in many psychopathologies, (psychological disorders) with symptoms of a psychosis involved in schizophrenia, depression, PTSD, bi-polar disorder, and many other types ...


3

To upload information stored in the mind is to upload information stored in the brain because the brain is the physical part of the mind. To do this is not an easy task because the brain has neither output port nor functional modules for this purpose (to upload its information), and the information in the brain is not stored in one definite place like a hard ...


2

Following the comments you've received, I'll add my own subjective answer in the affirmative to your first question. I think we've already compiled enough votes and comments here that support @JoshGitlin's unscientific answer to say that there is some empirical basis for theorizing the existence of a "taste" acquisition process in music. ...


2

Short answer The mean diffusivity (MD) in diffusion tensor imaging is a sensitive, yet a rather non-specific measure. Changes in MD tell you that water movement is altered, yet why and how will have to be answered through additional studies. Background Diffusion MRI relies on the fact that water diffuses better parallel to axons than across them in the ...


1

Our brain runs on a series of chemical and electrical reactions running at a stable pace. Unlike computers, you cannot "overclock" the brain into running these reactions any faster than normal. However, if we were to assume the psuedoscience to be true, it would be logical for the brain to undergo premature death. With the rates of these reactions increased ...


1

I think that people don't get too old to learn and some people can gain an understanding of all kinds of stuff in older age. I realize that sometimes somebody has touble learning something when they're older but that does't mean older people can never learn anything. Also, sometimes somebody may claim that somebody else didn't learn because they disagree ...


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