Hominin taxic diversity: Fact or fantasy?

Femoroacetabular impingement: fact, fiction, or fantasy?

OBJECTIVE Proponents of femoroacetabular impingement (FAI) now claim that FAI is an important risk factor for hip osteoarthritis and argue that early, aggressive treatment is indicated to stave off long-term complications. The result is more young patients undergoing corrective surgery; does the literature support these claims or has hype trumped reality? This article critically reviews these a...

“extension of Platelet Storage: Fact or Fantasy”

A Psychedelic Experience - Fact or Fantasy

Since at least 1500 B.C. men have, from time to time, held the view that our normal vision of the world is a hallucination—a dream, a figment of the mind, or, to use the Hindu word which means both art and illusion, a maya. The implication is that, if this is so, life need never be taken seriously. It is a fantasy, a play, a drama to be enjoyed. It does not really matter, for one day (perhaps i...

Automatic speech recognition: fact or fantasy?

The application of speech as a communication medium for reporting machine status conditions, alarm alert etc. has been a technological reality for a number of years. However, social awareness of speech recognition has been confined mainly to science fiction portrayals, such as the intelligent on-board computer 'HAL' in the film 2001 a space odyssey. Although the detail of the human-like intelli...

Systems of Category Learning: Fact or Fantasy?

Psychology abounds with vigorous debates about the need for one or more underlying mental processes or systems to explain empirical observations. The field of category learning provides an excellent exemplar. We present a critical examination of this field focusing on empirical, methodological, and mathematical modeling considerations. We review what is often presented as the “best evidence” fo...