For the professional: Yes. If your current PDF copy is the 5th edition (circa 2012), you are missing a decade of neuroscience. The chapters on epigenetics in memory and circuit mechanisms of emotion are entirely new.
For the student: Yes, but access it legally. The 2021 edition clarifies complex topics like Bayesian inference in perception and the role of astrocytes (glial cells) with better graphics than any prior edition. kandel principios de neurociencia pdf 2021
Farmacología del SNC, neurorehabilitación y las promesas de la terapia génica y celular. For the professional: Yes
Assuming you obtain a legitimate copy of the 2021 PDF, simply reading it is overwhelming. The book is over 1,600 pages. Here is a strategy used by top medical students in Spain and Latin America: For the student: Yes, but access it legally
Searching for "Kandel Principios de Neurociencia PDF 2021" is common for students due to the physical book’s size and cost.