Molecular biology, I: a mouse knockout

Article Abstract:

A molecular technique may hold the key for solving dopamine-related neurological illnesses. The technique was originally developed in the laboratories of Mario Capecchi and Oliver Smithies. Called gene knockout, the technique allows the development of genetically engineered animals that lack a certain gene and its associated protein product. In experiments with mice, researchers were able to knockout the animals' dopamine transporters, causing the mice to behave as if they had been given huge doses of cocaine or amphetamine.

Usage, Mice, Mice (Rodents), Molecular genetics, Dopaminergic mechanisms

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Recognition of own-race and other-race faces by three-month-old infants

Article Abstract:

The face recognition tested in 3-month-old Caucasian infants by conducting two experiments using Caucasian and Asiatic faces and a visual pair-comparison task is presented. It is also hypothesized that if the other race effect develops together with face processing skills during the first months of life the ability to recognize own-race faces is greater than to recognize other-face faces.

Analysis, Surveys, Whites, Asians, Face recognition (Psychology)

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Neurodevelopmental outcomes of Ugandan infants with HIV infection: an application of growth curve analysis

Article Abstract:

Research showing how HIV-infected infants in Uganda had lower motor and mental development is presented. The lack of correlation of this data with the expectation of group differences in growth rates and mean performance is discussed.

Uganda, Health aspects, Infants, HIV infection in children, Pediatric HIV infections, Africa, Human information processing in children, Childhood information processing

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