Myelination Do you know that some brain connections are not complete until your 20s? The process is called myelination. It is the coating of neurons with a chemical insulator which makes a signal travel along it up to 100 times faster. There is signal regeneration at the nodes of Ranvier. The effect is similar to…
Troublesome Inheritance is a polemic by Nicholas Wade to develop his position—racial differences are real and account for the differential success of individuals and societies. He claims that there is a 14% genetic difference across the races. The differences are not uniquely different DNA strings (we’ve all heard that humans and chimps only differ…
Hearing songs from my years of 8 to 12 appeals to my emotions, unfettered by intellectual tones
… indeterminacy, at the neural level. Different inputs can result in the same output. I call this aspect of the neural threshold, the Almost Gate.
… the neuron’s Almost Gate can be opened by different inputs and yet it gives the same output
It’s not an intellectual superiority of Western population that accounts for societies’ differences, but differences in soil and local wildlife.
Pattern-matching, like analogy, where we treat partial matches like exact fits. It’s possible to make errors. It’s possible to jump to a good answer without complete information. This is the source of much intuition and creativity.
Working Memory is limited – 7 items plus or minus 2. It can be extended by training. Requires mental exercise that strains