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English
Description
This Science Screen Report describes the anatomy and functions of facial features, and the evolutionary development of the human face. It explains how the mouth and nose work together to identify food, the process of chewing and swallowing, and the varying functions of the taste buds, saliva, teeth, tongue, and jaws. Combining principles in anatomy, anthropology, psychology, and zoology, the program also details how muscles in the face convey expressions...
Language
English
Description
Most of us have trouble remembering names, but what if you can't even remember a face? This video clip explores the social nightmare facing people with a condition known as prosopagnosia, or "face blindness." New research has reveals that the condition is hereditary and far more common than previously believed. It turns out that one in 50 children may have hitherto unrecognized problems with face blindness. The clip gives valuable details about how...
3) Faces
Language
English
Description
Whether you've got a baby face or a poker face, your identity is deeply rooted in your own unique face. With the many muscles in your face, you can express a near infinite number of emotions and feelings, but your brain is also highly adept at recognizing what other peoples' faces are saying. In this episode, we will show you that there's more to a face than meets the eye. Discover the most important feature of your face, how staring can make you...
Language
English
Description
Development of the face over the first trimester is a fascinating process in which some dramatic changes take place in a short time. During month 1, when the fetus is still an embryo, its face starts as a series of paired tissue mounds called branchial arches. The embryo's face forms from the first branchial arch along with the area above it. The forehead, nose, cheekbones, and mouth form from the area above the first branchial arch. Lower areas will...
Language
English
Description
Most of us are able to identify people we've met before and to pick out friends from among a group of strangers simply by scanning their faces. What cognitive processes allow us to do this? What goes on in the brain when we struggle to match a name to a face? And why are some people unable to remember the faces of individuals at all? This program explores facial perception and prosopagnosia, a condition in which the ability to recognize what should...
Language
English
Description
Is there a universal characteristic that defines beauty? Has the human gene pool been altered over the millennia by a process of selection based on this characteristic? In this program, experts from Harvard, Yale, and the University of California explore facial evolution, the brain's specialized ability to recognize familiar faces, the ways in which expressions are used to actively and passively communicate, the intricacies of craniofacial surgery,...