For questions on the debate between innate or genetic factors (nature) versus environmental factors (nurture) in the cognitive sciences.

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2
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2answers
301 views

What is the concordance rate for schizophrenia in monozygotic and dizygotic twins?

What is general level of concordance for twins and is it higher for monozygotic twins? What research is available on this?
5
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1answer
57 views

How does architecture impact cognition and mental health?

Research indicates that scenic, natural environments positively impact human health and mental well-being [1][2]. But what about the impact of man-made architecture and various architectural styles on ...
5
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2answers
91 views

Is the Flynn effect in conflict with other studies of intelligence heritablity?

Studies comparing identical and fraternal twins, or occasionally identical twins reared apart have mostly concluded that there is a pretty high heritability of IQ. These studies, in particular the ...
3
votes
1answer
135 views

Does heritability define the person in terms of the population?

I recently read a statement that goes like this: heritability is a population construct. Isn't heritability dependent on genetic differences? Can someone provide an example of what it means to be a ...
8
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1answer
122 views

How similar are the brains of twins?

I am currently reading undergraduate essays on biological dysfunction and schizophrenia. The students put a lot of weight in the fact that studies of monozygotic twins show only a 50% rate of ...
7
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2answers
285 views

What are some examples of controversial themes in psychology?

There are a number of themes that are controversial (provoke debate, are unsettled, polarize opinion, or are reflected by a range of positions) in psychology. One example involves nature vs. nurture: ...
3
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1answer
194 views

How much information on the “Identical Strangers” experiment was actually released?

I am in the process of researching the Nature vs. Nurture debate. While I was searching for articles on it, I discovered something known as the "Identical Strangers" experiment (that probably was ...
1
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3answers
101 views

Is handwriting style heritable?

My daughter (11), wife, and mother in-law all have extremely similar handwriting. Why is this? Is handwriting a inheritable trait?
2
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1answer
248 views

The Dark Triad Abnormal Development or Base Human Nature?

I propose the concept, that human beings, as animals have the same instincts as other animals. Even though we are social animals, we still have the basic nature of fight and flight and we teach ...
9
votes
1answer
250 views

Is religiousness a genetically heritable feature?

I know that parent beliefs have very strong influence on child, but is it possible that genetic factor also play a role? I doubt that the content of any religion could be heritable through genes nor ...
10
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3answers
396 views

What is the term for a psychological effect which does not have a neurobiological/genetic basis?

When a psychological condition is the result of irregular brain structures or neurotransmitter imbalances we say the condition has a neurobiological basis; this is analogous to the classic Nature in ...
6
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1answer
2k views

What are the main causes of whether a person becomes introverted or extraverted?

Genetics is obviously an important cause of whether someone becomes extraverted or introverted. But what percentage is genetics and what percentage is the environment? What factors in the environment ...