: While slightly broader, this book is excellent for understanding the biological underpinnings of behavior, which is the bedrock of psychophysiology. Russian-Language Fundamentals
These books are often considered the "gold standard" for anyone starting their journey into psychophysiology: knigi po psikhofiziologii skachat
While I cannot provide direct pirated links, you can legally access these materials through the following platforms: : While slightly broader, this book is excellent