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Magnetic resonance images of the brains of identical twins (one suffering from schizophrenia, and one being normal). In a schizophrenic patient, there typically is enlargement of the fluid-filled cavities in the brain known as ventricles. The arrows…

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from article Anthropology

Fossil skulls of four different species of Homo (clockwise from upper left): Homo neanderthalensis, Homo antecessor, Homo erectus, and Homo sapiens. Each skull shows different anatomical variations. (Credit: creativemarc/Shutterstock)

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from article Anthropology

The indigenous inhabitants of Siberut Island (West Sumatra, Indonesia) are known as the Mentawai people. They live a seminomadic hunter-gatherer life in the coastal and rainforest environments of the island. (Credit: Chanwit Whanset/Shutterstock)

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from article Psychosis

A colorized magnetic resonance imaging (MRI) scan of a human brain. Psychosis is a defective mental state in which there is a critical derangement of the mind (brain) involving abnormal contact with reality. (Credit: Govind Bhagavatheeshwaran and…

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from article Human-factors engineering

Human-factors engineers design modern computer equipment, including ergonomic keyboards and mouse devices, to accommodate the varied physical contours and dimensions of the human hand. (Credit: JG Photography/Alamy)

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from article Human-factors engineering

Human-factors engineering addresses problems related to the design of seats, workplaces, and consoles in terms of a user's physical size, comfort, strength, and visibility. (Copyright © McGraw-Hill Education)

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from article Human-factors engineering

Cognitive engineering and the development of new technology applications.

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from article Physical anthropology

Physical anthropologists often use fossil evidence in their investigations of human and nonhuman primate evolution. (Credit: Microgen/Shutterstock)

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from article Physical anthropology

Fossil skulls of four different species of Homo (from left to right): Homo neanderthalensis, Homo antecessor, Homo sapiens, and Homo erectus. Each skull shows different anatomical variations. (Credit: creativemarc/Shutterstock)

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from article Psychopharmacology