Alien encounters

The alien hand syndrome: What makes the alien hand alien?

The alien hand syndrome is a deeply puzzling phenomenon in which brain-damaged patients experience their limb performing seemingly purposeful acts without their intention. Furthermore, the limb may interfere with the actions of their normal limb. We report a case of alien hand syndrome following a left medial frontal and corpus callosum ischemic lesion. From our clinical observations and the pa...

Alien hand sign or alien hand syndrome?

Alien invaders

Thousands of species have invaded new territories in recent decades, often aided by global trade and man-made habitat change. While many remain harmless, some may cause serious damage. Therefore, we need improvements in surveillance and in our understanding of which factors make a successful invasion possible.

Alien Intelligence

Abduce Deduce Validate Purpose Criteria Perceptions Concepts The Intelligence Process 3 We show here that validation can fail and the process will cycle until a solution (of some sort) is found. The decision to finish depends upon a validation criteria. Such a criteria will be different depending on the kind of problem to be solved. Mathematical induction will thus explore formally every natura...

Close encounters.

IN THE November issue of Nursing Management, airline pilot Chris Mann asked: 'Safety Culture? What safety culture?' ( Mann 2004 ). His paper summarises the training undertaken in the aviation industry particularly in relation to human factors, in recognition of their part in aviation safety. He posed the following questions of the NHS.