There are four PDF books to download on the Global Cognitive Theory and the essay of the EDI Study - Evolution and Design of Intelligence.

The first PDF book is about the brain as an organ specialized in data processing of information, the common characteristics of intelligence and memory. There are remarks on the conceptual identity of these two functions, its complementarities and the constant optimization done by the system of the human intellect, due to its complexity and flexibility.

The second psychology PDF book dedicates to the different meanings of the word intelligence and the concept of creativity.

The third eBook on the Global Cognitive Theory studies the different types of memory within their functional, temporal and integrity perspectives.

The will and the decision-making process are the objects of the last book on psychology, with a much more philosophical approach than attained in the previous books on the cognitive aspects of the brain.

Different concepts of artificial intelligence are studied.

Also, the EDI Study - Evolution and Design of Intelligence, which is a statistical study confirming the proposals of the book of the Conditional Evolution of Life and its development by the Global Cognitive Theory are confirmed.