Neuroscience

Decision to give a group effort in the brain

A monkey would probably never agree that it is better to give than to receive, but they do apparently get some reward from giving to another monkey.

Genetics

Social stress affects immune system gene expression in monkeys

The ranking of a monkey within her social environment and the stress accompanying that status dramatically alters the expression of nearly 1,000 genes, a new scientific study reports. The research is the first to demonstrate ...

Medical research

New insights into how humans learn to walk

(Medical Xpress) -- A new study has revealed that as humans learn to walk the two basic patterns of stepping present in the newborn remain unchanged and two new patterns are added at the toddler stage. This development process ...

Neuroscience

Macaque study sheds light on brain's perception of static images

We may not realize it, but our eyes constantly make rapid movements—two to three per second—even when we're looking at the same spot. Yet despite these frequent eye movements, we still perceive what we see as a stable ...

Obstetrics & gynaecology

Mapping changes to metabolic pathways during pregnancy

A large team of ob-gyns, regenerative medicine and fetal development specialists and metabolic researchers in China has tested macaques and mapped many of the changes that happen to metabolic pathways in primates during pregnancy.

HIV & AIDS

HIV antibodies protect animals in proof-of-concept study

Three different HIV antibodies each independently protected monkeys from acquiring simian-HIV (SHIV) in a placebo-controlled proof-of-concept study intended to inform development of a preventive HIV vaccine for people. The ...

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