Zen Faulkes's Blog – February 2010 Archive (2)

Invertebrate electroreception

(Crossposted from NeuroDojo and Marmorkrebs.)

The sensory abilities of vertebrates and invertebrates are generally more similar than they are different: both groups can detect light, sound, pressure, and so on. One of the few cases of a sensory ability that seemed to be the domain of vertebrates alone was the ability to detect electrical signals: electroreception.… Continue

Added by Zen Faulkes on February 5, 2010 at 3:44am — No Comments

Some do, some don’t: Pufferfish escape and Mauthner neurons

[Reposted from NeuroDojo]

You would think that having a dedicated set of neurons that triggered super-fast escape responses to get away from fast predator attacks and other sudden events in your area would be something that you’d want to keep around. This is usually so, but it turns out, not always. This is a problem I’ve been struggling with for… Continue

Added by Zen Faulkes on February 4, 2010 at 6:40am — No Comments

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