Study shows early cognitive problems among those who eventually get Alzheimer’s People who study or treat Alzheimer’s disease and its earliest clinical stage, mild cognitive impairment (MCI), have focused attention on the obvious short-term memory problems. But a new study suggests that people on the road to Alzheimer’s may actually have problems early on in […]
We mustn’t forget that those individuals [early humans] were also hunter-gatherers. They worked extremely hard every day to get a living. A typical hunter-gatherer has to walk between nine and 15 kilometers a day. A typical female might walk 9 kilometers a day, a typical male hunter-gatherer might walk 15 kilometers a day, and that’s […]
….it turns out also that the idea that brains got large early on in human evolution is incorrect as well. We now know that: humans and chimpanzees split maybe around six to seven million years ago and the very earliest hominins, those are creatures that are more closely related to humans than to chimpanzees, had […]
Two studies on audio signaling thru birdsong songs and mating states:Birdsong study pecks theory that music is uniquely human (Medical Xpress)—A bird listening to birdsong may experience some of the same emotions as a human listening to music, suggests a new study on white-throated sparrows, published in Frontiers of Evolutionary Neuroscience. “We found that: the […]
Solo Rock Stars Die Young by Tom Jacobs Do you dream of being a rock star? Do you hope to live a long life? If so, you’d better start prioritizing—or, at the very least, join a band. Because from Elvis Presley to Amy Winehouse, solo pop superstars are disproportionately likely to die young (although not […]
“It is better to know nothing than to keep in mind fixed ideas based on theories whose confirmation we constantly seek.” Claude Bernard
Area of Monkey Brain Keeps Tally of Altruistic Acts …monkeys have a specific area in their brains to keep track of altruistic acts…They used electrodes to directly record neuronal activity in three areas of the prefrontal cortex, an area that is known to be involved in social decision-making while the monkey performed reward-related tasks.