Author Archives: davejhayes

About davejhayes

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What do deactivations in neuroimaging mean?

By now, we’re all familiar with the colourful spots and blobs associated with brain imaging. The assumption is often that areas which ‘light up’ are increasingly activated – and are, as such, implicitly more ‘important’ – in the task under … Continue reading

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The aversive brain

The ability to detect and respond appropriately to aversive things or events in our environment is essential for all organisms, from fruit flies to humans. Although much is known about aversive responding at the psychological level (e.g. displays of fear, … Continue reading

Posted in new frontiers | 4 Comments

Physical consciousness?

This guest blog was written by Christian Stevens, a graduate student in the philosophy department at the University of Guelph. His work is in the area of Epistemology and Philosophy of Mind. We are physical beings in a physical world. … Continue reading

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Is it time for a conceptual revolution in neuroscience?

A recent article by Russell Poldrack and colleagues begins with an apt quote from Rutherford D. Rogers, the former Yale University Librarian: “We’re drowning in information and starving for knowledge” They chose this quote to reflect what some brain researchers … Continue reading

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Neuro self-help?

Does knowledge of brain function alter brain function? The development of psychology is based on this premise, either implicitly or explicitly. Where psychologists focus on behaviour as the main measure of interest, linking behaviour directly to brain function has been … Continue reading

Posted in neuro in the world, Uncategorized | 2 Comments

Brain-based evidence for multiple intelligences?

Is there any brain-based evidence for the theory of multiple intelligences? From my viewpoint, the answer seems clear: Yes….and no. (Germans have a nice colloquialism for this in ‘jein’, pronounced yine.) The theory of multiple intelligences was originally proposed by … Continue reading

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Human Brain Mapping (HBM) 2011

Human Brain Mapping in Quebec City was an excellent, if not slightly overwhelming, conference which brought together the often discrepant worlds of neuroscience, psychology, psychiatry, physics, engineering, mathematics, and computer science. (Did I miss anyone?) For a first-timer – and … Continue reading

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Canadian College of Neuropsychopharmacology conference 2011

The Canadian College of Neuropsychopharmacology (CCNP) is the premier college in Canada for expert knowledge on the pharmacology of brain function. This year’s conference was held in la belle ville de Montréal. Though recent years had a much greater attendance … Continue reading

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Serotonin & reward

In an article entitled “5-HT receptors and reward-related behaviour: A review”, Andrew Greenshaw and I discuss the involvement of the many different serotonin receptors in reward. While dopamine has largely become synonymous with reward, in both the professional literature as … Continue reading

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Mentorship: Open Letter to an Undergraduate

The value of mentorship is apparent across almost every field, scientific or otherwise. While neuroscientists have yet to approach the social complexities associated with the mentor-mentee relationship, the value of mentorship isn’t lost on them. From the Society for Neuroscience … Continue reading

Posted in neuro in the world | 3 Comments