Thinking Sensing and Behaving

Photograph of a man cleaning and taking care of a child at the same time
The brain works best with one job at a time, but daily life calls for multitasking, causing a “bottle neck” in the brain.
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The moment light meets the retina, the process of sight begins. About 60 years ago, scientists discovered that each vision cell’s receptive field is activated when light hits a tiny region in the center of the field and inhibited when light hits the area surrounding the center.
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How exactly are memories stored in brain cells? After years of study, much evidence supports the idea that memory involves a persistent change in synapses, the connections between neurons.
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From remembering a friend's face to figuring out where you left your keys, the act of memory has many dimensions.
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A major breakthrough in understanding how the brain accomplishes learning and memory began with the study of a person known by his initials, H.M.
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An estimated 8 to 10 percent of children in the U.S. have some form of learning disability involving difficulties in the acquisition and use of listening, speaking, reading, writing, reasoning, or mathematical abilities. These problems often occur in people with normal or even high intelligence.
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In response to signals from a brain region called the hypothalamus, the adrenal glands secrete glucocorticoids, hormones that produce an array of effects in response to stress.
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Extreme stressors such as trauma in combat, being a victim of assault or sexual abuse, or experiencing or witnessing a crime can lead to a form of stress that can last a lifetime.
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Considered the most common mental illnesses, anxiety disorders affect an estimated 18 percent of the adult population in a given year, or 40 million Americans.
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What do standing frustrated in a supermarket checkout line or sitting in a traffic jam have in common with fleeing predators, as was done in the early days of human beings?
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A stressful situation activates three major communication systems in the brain, all of which regulate bodily functions.
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The ability to react quickly in response to threatening events has been with us since the time of our earliest ancestors.
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Often considered the most important sense for humans, hearing allows us to communicate with each other by receiving sounds and interpreting speech.
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