3 years ago

What role did mitochondrial dna play in the out of Africa hypothesis

1 answer:

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The first hypothesis proposes that a second migration out of Africa happened about 100,000 years ago, in which anatomically modern humans of African origin conquered the world by completely replacing archaic human populations (Homo sapiens; Model A).

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You are running an experiment similar to the study by Simons and Chabris (1999). You ask participants to attend to a scene in wh

vovangra [49]

<u>Answer: </u>

This finding illustrates that the participants were selectively attentive.

<u>Explanation: </u>

When the participants were directed to pay attention to the ball and count the number of times the ball is passed, the brain devoted itself to consider nothing else important but the ball.
The act of counting the passes fetched the attention of the participants as they directed their brains by commanding it to restrict its attention solely on the ball. This trait of the brain is known as selective attention.