Why We Can't Have Our Facts Back

Why do we have Purkinje fibers deep in our heart?

Purkinje fibers were the first discovered component of the cardiac conduction system. Originally described in sheep in 1839 as pale subendocardial cells, they were found to be present, although with different morphology, in all mammalian and avian hearts. Here we review differences in their appearance and extent in different species, summarize the current state of knowledge of their function, a...

Why Should We Have a Periodic Safety and Performance Program for Medical Devices

Nowadays, more than 10,000 different types of medical devices can be found in hospitals.These devices used in medical centers and hospitals for monitoring and treatment of patients require periodic safety and performance checking in order to have confidence in their functioning and operation. Physicians need better accurate medical measurements in order to better diagnose diseases, monitor pati...

Why Do We Have Managers?

Economic actors have to make lots of decisions, and the paper is based on the premise that it takes time to be involved in any one of them. Attempts to economize on decision-making time imply that groups of peers may abdicate decision-making authority to a small set of managers even though this means that the information and preferences of the uninvolved players are neglected. We find that play...

What have we learnt from our mistakes?

The authors discuss the general steps involved in good decision making and use those steps to organize results from behavioral decision research, illustrating some of the challenges in making important choices. Framing effects, self serving biases, and context effects are a few of the errors and biases presented. The authors also discuss a variety of techniques for reducing biases and errors. T...

Complementary Strategies : Why we use our hands when we think