Troublesome knowledge: why don't they understand?

Why They Don’t Understand?

Medical marijuana programs — Why might they matter for public health and why should we better understand their impacts?

OBJECTIVE Although cannabis is an illegal drug, 'medical marijuana programs' (MMPs) have proliferated (e.g., in Canada and several US states), allowing for legal cannabis use for therapeutic purposes. While both health risks and potential therapeutic benefits for cannabis use have been documented, potential public health impacts of MMPs - also vis-à-vis other psychoactive substance use - remain...

People Understand the Different Impressions They Make

This article reexamines the prevailing conclusion that people are unaware of the different impressions they make, or that their differential meta-accuracy is poor. This conclusion emerged from research employing contextually undifferentiated designs that may have constrained differences in actual impressions, thereby limiting participants’ ability to demonstrate differential metaaccuracy. We ar...

Systems That Know That They Don't Understand

The metaphor of computation itself is the new leverage that AI brings to the study of mind. However, since the field parted company with Cybernetics and Self-Organizing Systems research in the mid-1950s, work within AI has focussed primarily on computational models of "reasoning." Expert Systems is a hot area of AI research with important scientific and commercial impact. The prominence of expe...

medicinal plants and antioxidants: why they are not always beneficial?

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