Interesting Articles about human brain

Human Brain X-Ray
But it has nothing to do with the brain's 'capacity' to learn new things.

Why does it happen?
- According to neuroscientist and study author Joe Z Tsien, when we are young, our brain is able to strengthen certain connections and weaken certain others to make new memories. "It is that critical weakening that appears hampered in the older brain, " he said.

- Also, NR2B, a type of neural receptor, is present in a higher percentage among children. This enables the brain cells or neurons to talk a fraction of a second longer and make stronger bonds called synapses (junctions that permit neurons to pass on signals to other cells), thereby optimising the brain's ability to learn and memorise.

- Among the changes that occur in the body when children hit puberty, there is a slightly reduced communication time between neurons. "If you don't get rid of the noise or less useful information, it is a problem, " said Tsien. While each neuron averages 3, 000 synapses, their continuous exposure to large quantities of information and experiences demands that the brain erase some of the old information to make room for new. This is probably why we lose the ability to speak a foreign language perfectly after the onset of sexual maturity.

- Scent acts as a powerful memory trigger. The olfactory nerve is located closely to the amygdala — an area of the brain associated with emotional memory — and the hippocampus.

- The hippocampus, a horseshoe-shaped area of the brain, plays an important role in organising and storing information from short-term memory into long-term ones.

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A good site for information about Pheremones and how human brains work to find a mate? | Yahoo Answers

According to Dr. Tristram Wyatt, no pheromonal substance has ever been demonstrated to directly influence human behavior in a peer reviewed study.[12][14] A San Francisco State University study, published in the quarterly journal Physiology and Behavior contradicts this statment, showing synthetic pheromones in women's perfume increase intimate contact with men.[15]
This is a fun one:

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