Tagged: review

Extinction Vortex of DOOM - Skepticon

Darcy Cowan Feb 10, 2010

How is it that I’ve never heard this cool phrase before? Well not so cool for the species it applies to but still, someone was having a good brain day when that one was coined. The idea of an extinction vortex has been around for almost 25 years but I’m only just hearing about it [...] … Read More

Smoking Bans and the Effect of Health Warnings - Skepticon

Darcy Cowan Jan 21, 2010

In the world today there is an increasing focus on the negative aspects of smoking and a concerted attempt to reduce the presence of smoking in society. Given the harmful effects of this addiction on not only the active smoker but those around them this seems like a prudent move. Two of the approaches with [...] … Read More

I Trust You More if I Think You Think I’m Attractive. - Skepticon

Darcy Cowan Jan 13, 2010

As always things aren’t as simple as headlines suggest and the headlines of science based blogs are no exception. Of course people don’t actually go around assessing how attractive other people think they are and modifying their behaviour accordingly. These psychological biases and effects go on below conscious awareness but the point is that they [...] … Read More

The ever-changing world of dendritic spines - Building blogs of Science

Fabiana Kubke Dec 18, 2009

Santiago Ramón y Cajal originally described spines in the dendrites of neurons in the cerebellum back in the late 19th century, but it wasn’t until the mid 1950’s with the development of the electron microscope that these structures were shown to be synaptic structures. Although it has been known that the number of dendritic spines [...] … Read More

Getting the timing right for song control - Building blogs of Science

Fabiana Kubke Dec 11, 2009

Songbirds have evolved special areas in the brain that are used for song learning and song production. Two types of output connections from a cortical area known as HVC (proper name) each go to two ‘separate’ pathways. Some HVC neurons connect directly with neurons in a brain area called RA (robust nucleus of the archopallium), [...] … Read More

Synapse #fail, Science #win - Building blogs of Science

Fabiana Kubke Nov 25, 2009

The endbulb or calyx of Held is a very large synapse found in the auditory system. It consists of a very large ‘calyceal’ ending, literally wrapping around the cell body of the postsynaptic neuron. It was first described by H Held in the late 1800’s and has since been shown to characteristically be present in [...] … Read More