Cognitive Neuroscience. The Biology of the Mind by Michael S. Gazzaniga

By Michael S. Gazzaniga

The such a lot authoritative cognitive neuroscience textual content is usually the main accessible.

the 1st textbook for the path, and nonetheless the marketplace chief, Cognitive Neuroscience has been completely refreshed, rethought, and reorganized to augment scholars’ and teachers’ event. a gorgeous, all new artwork software conveys info and ideas essentially, and new chapter-opening Anatomical Orientation figures support scholars get their bearings. The desk of contents and the chapters themselves were reorganized to enhance the logical circulation of the narrative, and the realm well known writer staff has saved the ebook totally brand new at the most modern examine during this fast paced box.

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Sample text

One of the first scientists to study associationism was Hermann Ebbinghaus, who, in the late 1800s, decided that complex processes like memory could be measured and analyzed. He took his lead from the great psychophysicists Gustav Fechner and Ernst Heinrich Weber, who were hard at work relating the physical properties of things such as light and sound to the psychological experiences that they produce in the observer. These measurements were rigorous and reproducible. Ebbinghaus was one of the first to understand that mental processes that are more internal, such as memory, also could be measured (see Chapter 9).

1975), which later was shortened to PET. Another metabolically important molecule in the brain is glucose. , 1978). 18F has a half-life that is amenable for PET imaging and can give precise values of energy metabolism in the brain. The first work using PET to look for neural correlates of human behavior began when Phelps joined Kuhl at the University of Pennsylvania and together, using 2FDG, they established a method for imaging the tissue consumption of glucose. Phelps, in a leap of insight, invented the block detector, a device that eventually increased spatial resolution of PET from 3 centimeters to 3 millimeters.

The initial depolarizing phase of the action potential (red line) is mediated by increased Na+ conductance (black line), and the later repolarizing, descending phase of the action potential is mediated by an increase in K+ conductance (dashed line) that occurs when the K+ channels open. The Na+ channels have closed during the last part of the action potential, when repolarization by the K+ current is taking place. The action potential undershoots the resting membrane potential at the point where the membrane becomes more negative than the resting membrane potential.

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