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. It is remarked 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 is dedicated to the different meanings of the word intelligence and the concept of creativity.

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

The will and the decision making process are the object 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 also studied.