Albert Einstein’s brain e.g., which he had released for study purposes after his death, showed, on the one hand, a thinner layer of nerve cells in the cortex (cerebral cortex) than for “average human beings of the same age”, but, on the other hand, showed much more extensive interlinking of the cells with each other.

An increase in intellectual potential can therefore not so much be achieved through a channel “of development of nerve cells so far unused”, as no living nerve cell in the brain is unused, but rather through more intelligent “training procedures”, which are able to stimulate the brain cells in a more optimal way, and to organise and interlink them more effectively in their reactions: i.e. to achieve better brain functioning.

That the most important thing is the way the brain is organised is shown by the fact that e.g. people with hydrocephalus (too much water in the brain) frequently only have 10% of the normal human brain volume, but show no intellectual deficits whatsoever in comparison with the average person. In this case, the same is obviously achieved with 10% of the brain volume due to of optimum functioning.

A further research result confirms this: for several generations the average IQ-value in the population has been increasing, without the brain volume of human beings having recognisably increased.

The University of Leipzig point out in their reply that their studies and those of various research institutes with music have shown that music has a great influence on intellectual functions in our brain.

Animal experiments have shown that, for instance, the interlink of nerve cells in rats, which were growing up in what was a natural habitat to them, was much richer than in rats, which were growing up in a habitat unnatural to them.

Studies on the efficiency of memory also show that it cannot be the quantity of brain cells which are decisive for its efficiency, but instead the quality of their organisation among each other.
If e.g. the brain were to be regarded as a container, the question would arise: how much information can be stored in this container until it is full? But this question makes little sense, as research indicates a “paradox” situation: the more has already been stored in the container, the more information it can take!