Wednesday, November 12, 2008

Carl Sagan on Human Brain

Famous astronomer Carl Sagan describes the triune theory of brain proposed by Paul D. Maclean. In his characteristic style of presentation that he used to popularize Astronomy Carl Sagan goes over the functions of the different parts of brain by walking around a giant replica of human brain. 

He concludes his presentation by elevating the role of cerebral cortex which provides us with the flexibility of thinking functions and allows us to override the instinctual programs that are coded into our genes.

Thursday, November 06, 2008

Learning

Learning is not a unique activity practiced by humans only. Here are some examples of learning within primates

A rare photograph showing an Orangutan hunting using a spear


















via RichardDawkins.net

Another picture showing a young primate learning to stand up to his dad

















Source: Smithsonian Museum

A video showing a Chimpanzee learning to ride a segway



This shows that learning is an activity practiced by all living creatures. The easiest form of learning is accomplished by "Mimicry" and "Conditioning"

Tuesday, November 04, 2008

Brain Computer Interface

A fascinating video showing many subjects controlling external objects through brain and computer interface.


Watch CBS Videos Online

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