Perceptual alterations are changes in how a person experiences their senses, such as vision, hearing, touch, smell, or taste. They can be caused by various factors, such as drugs, mental disorders, brain injuries, or sensory deprivation. Perceptual alterations can affect a person’s perception of reality, memory, emotions, and behaviour.
Free will is a philosophical concept that refers to the ability of human beings to make decisions or perform actions independently of any prior event or state of the universe. In this article, we will discuss it's meaning and philosophical traditions.