👉 Impalpability is a concept in psychology, specifically in the field of neurology and neuropsychology. It refers to a condition where an individual's brain cannot produce enough neurotransmitters or other chemicals needed for normal functioning, which can lead to difficulties with memory, concentration, and other cognitive functions. The term "impalpability" is often used metaphorically to describe how individuals may experience difficulty in achieving certain goals or making decisions under stressful circumstances. It implies that the individual's brain is