In my previous article, I introduced three psychophysical laws which quantify the relationship between physical stimuli and mental sensations. These laws were derived from experiments that vary a physical stimulus on one dimension (e.g., brightness, heaviness) and ask the observer to somehow indicate the relative magnitude of each presentation of…

Psychology and cognitive science have at their foundation the notion that we can somehow measure the mental world. But can we? It is unclear, at least to the naïve observer, how such a goal could be achieved given that the mental is unobserved and private to each individual that has…

Everyone has some concept of what attention is. Modern psychology defines it as the ability to select a portion of the information in our environment for further processing while ignoring other information. We use this ability constantly in our daily lives, for example, to read, use things and search for…