Tag: "numerosity" at biology news

Neurons for numerosity: Parietal neurons 'sum up' individual items in a group

As any child knows, to answer the question how many, one must start by adding up individual objects in a group. This cognitive ability is shared by animals as diverse as humans and birds. Surprisingly, the exact brain mechanisms responsible for this process remained unknown until now. This week in the online open-access journal PLoS Biology, Jamie Roitman, Elizabeth Brannon, and Michael Platt fr...
(Date:4/23/2014)... conclusive evidence that the source of a unique rhythmic ... called the "bio-duck," is the Antarctic minke whale ( ... personnel in the 1960s who thought it sounded like ... various locations in the Southern Ocean, but its source ... 2013, an international team of researchers deployed acoustic tags ...
(Date:4/23/2014)... the likelihood of an accurate group decision increases with ... when a collective faces a variety of factors ... University researchers report that smaller groups actually tend to ... excessively focused on only certain pieces of information. , ... known about collective intelligence, or the "wisdom of crowds," ...
(Date:4/23/2014)... The shale gas boom has transformed the energy ... locations, it could cause conflict among the energy ... resources, say researchers. They add that degraded water ... adequate safeguards. The feature article appears in the ... , Meagan S. Mauter and colleagues point out ...
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