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000 Humans are genetic memetic social creatures. One half of human DNA comes from a male and the other half from a female. Genes are segments of DNA that contain the instructions for creating physical bodies. Memes are neural structures that exist in neural networks of the brain that create the realities through which humans sensory perceive their worlds and give meanings to what they perceive. Societies are collectives (nations, states, tribes) in which humans live and societies are the primary sources of memes. Human are social creatures because human depend on other humans for their survival.
001 At birth, a baby’s neurons are disparate and unconnected, and in the first two years of life they begin connecting up extremely rapidly as they take in sensory information. As many as two million new connections, or synapses, are formed every second in an infant’s brain. By age two, a child has over one hundred trillion synapses, double the number an adult has. (The Brain: The Story of You by David Eagleman; p. 7)
002 The brain is especially plastic (changeable) and sensitive to the environment and experiences rapid, formative growth during critical periods. The critical period for teaching infants how to control their emotions is 10 to 18 month old. Click here to read complete blog.
003 The brain consists of about a hundred billion neurons of several hundred types, each of which contains a cell body, a descending axon cable, and numerous dendrites and axon terminals branching out to other neurons in approximately a thousand trillion synaptic connections between those hundred billion neurons. These are staggering numbers. A hundred billions neurons is 1 followed by 11 zeros: 100,000,000,000. A thousand trillion connections is a quadrillion or 1 followed by 15 zeros: 1,000,000,000,000,000. The number of neurons in a human brain is about the same number of stars in the Milky Way galaxy – literally an astronomical number! Our memories are the re-firing of constellations of neural activities that fired during the original life experience. (Michael Shermer; The Believing Brain, p. 113)
004 PLEASURE and HAPPINESS, for all their apparent similarity, are separate phenomena, and in their extreme function as opposites. In fact, PLEASURE is the slippery slope to tolerance and addiction, while HAPPINESS is the key to long life. But if we don’t understand what’s actually happening to our brains, we become prey to industries that capitalize on our addictions (BY GIVING US PLEASURE) in the NAME OF SELLING HAPPINESS. (Dr. Robert H. Lustig; The Hacking of the American Mind: The Science Behind the Corporate Takeover of Our Bodies and Brains; p. 7)
005 After childhood, just before the onset of puberty, there is another critical period. New cells sprout and new connections are made, followed by about a decade of pruning. Weaker connections are trimmed back while stronger connections are reinforced. These changes are taking place in brain areas required for higher reasoning and the control of urges. Beyond social awkwardness and emotional hyper-sensitivity, the teen brain is set up to take risks -- driving fast, sexting naked photos, fighting, etc., much more than an adult brain. Remember, teens are not only emotionally hypersensitive, but also less able to control their emotions than adults. The brain reaches maturity about age 25. (Dr. David Eagleman, The Brain: The Story of You; pp. 15-16)
006 Learn about 24 cognitive biases that are warping your perception of reality – click here.
007 Unrelated events are linked in memory when they happen close together - click here.