herkkyysrajan
Herkkyysraja refers to a concept in various fields, most notably in psychology and environmental science, representing a threshold or level beyond which a certain stimulus or factor becomes noticeable, significant, or has a measurable effect. In psychology, it often relates to sensory perception, defining the minimum intensity of a stimulus needed to be detected by an organism. This can apply to sight, hearing, touch, taste, and smell. For example, the absolute threshold of hearing is the quietest sound a human can typically detect.
In environmental science, herkkysraja can describe the point at which a particular pollutant or environmental change