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to the monthly "Brain Fitness News," the latest news about the brain.

Educating An Attentive Human Brain - Page 2


Educating the Human Brain

Good news! Michael Posner and Mary Rothbart, distinguished researchers in attention and development, have collaborated on Educating the Human Brain (2007), a very important and informative book that focuses principally on our attention system and its developmental capabilities.

The authors argue persuasively that although attention is an innate brain property, early explicit instruction can enhance its consciously controlled elements. Effectively attending to the dynamics of a challenge doesn't insure a successful response, but not appropriately attending to it typically leads to an unsuccessful response. Developing a robust attention system is thus a critical first step in the development of effective problem solving and response skills.

One could similarly say that knowing how a cognitive system functions doesn't insure that educators can immediately improve its performance, but not knowing how it functions almost insures that professional folklore will drive instructional practice. Understanding attention and other brain systems is thus a first step that educators must take towards improving the cognitive capabilities of students. It's now become basic knowledge for 21st century educators who will implement the biologically driven instructional interventions that are already beginning to emerge.

Posner and Rothbart's book makes demands on readers who have a limited understanding of the neurobiology of brain systems and processes. The good news is that a continually increasing number of educators can now comprehend the professionally exciting research discoveries and teaching interventions that Posner and Rothbart describe. My advice to the rest is to get informed, because neurobiological discoveries will increasingly drive 21st century educational policy and practice.

The book begins with a fascinating explanation of how biological research became a factor in our understanding of teaching and learning. Central to this is an excellent explanation of the capabilities and constraints of neuroimaging technology. The authors' long distinguished research careers give them the credibility that can only come from those who were actually involved in the emergence of the cognitive neurosciences.

The heart of the book is focused on the dynamics of the three distinct networks that regulate attention: (1) the alerting network that prepares us to receive new information and maintains a necessary level of alertness, (2) the orienting network that shifts the current focus to something deemed possibly more important, and (3) the executive network that draws heavily on memory to recognize the identity of the new challenge (foreground), determine its significance, and separate it from background information (which it then merely monitors or ignores). Since it's often not clear whether a challenge is a danger or opportunity, or which of several current challenges is most important, this network is critical to the resolution of such ambiguities. A dysfunctional executive network may attempt to solve the wrong problem, or to solve problems it doesn't understand. This error occurs at all levels, from within individual brains to the sets of interacting brains that constitute a company or government.

 

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