On the adaptive advantage of always being right (even when one is not)

The customer is always right, even when you are justifiably wrong.

DiverseNet: When One Right Answer is not Enough

Many structured prediction tasks in machine vision have a collection of acceptable answers, instead of one definitive ground truth answer. Segmentation of images, for example, is subject to human labeling bias. Similarly, there are multiple possible pixel values that could plausibly complete occluded image regions. State-of-the art supervised learning methods are typically optimized to make a s...

Being Ethical When the Boss Is Not

A missing element in discussions of ethical leadership is: What happens to enforcement of ethics if it is the managers who are behaving unethically? In this article we address this question by describing a framework of upward ethical leadership. This framework expands conceptualizations of leadership beyond top-down models to a view that considers employees to be active participants in the lead...

Being on the right path

Being on the right pathThe 1st issue of the Iranian Journal of Radiation Research (IJRR) was published two years ago (June 2003). This journal was initiated to bring together the various disciplines of radiation oncology, radiation biology, medical physics, nuclear medicine and other related subjects to intensify the dialogue between basic and clinical researchers especially those working in Ir...

Are mothers always right? When acute meningitis is something more.

A 22-month-old girl with a history of a congenital occipital cutaneous cyst was brought to the paediatric emergency department for lethargy and occipital headache. She had been discharged 5 days before for acute meningitis without bacterial isolates. At physical observation, she presented with irritability and neck hyperextension, with negative meningeal signs. CT scan revealed a vermian cyst a...