Numerous theoretical accounts of memory have differentiated memory for facts and memory for context. Our mind’s limit found – 4 things at once.
Memory is an organism’s ability to store, retain, and subsequently retrieve information. Human memory is short. And we would do well to remember that, say researchers at the University of Missouri-Columbia. When we present phone numbers, we present them in groups of three and four, which helps us to remember the list said University of Missouri-Columbia psychologist Nelson Cowan, who co-led the study with colleagues Jeff Rouder and Richard Morey.
That inflates the estimate. We believe we’re approaching the estimate that you get when you cannot group. There is some controversy over what the real limit is, but more and more I’ve found people are accepting this kind of limit.
While most of us may only be able to hold three or four things in mind at once, some people have achieved amazing feats of working memory.
Gene is unit of heredity in all living organisms. A gene is part of a DNA molecule within the nucleus of all cells. Each gene codes for a particular protein. Thus a gene is a unit of the inheritable characteristics of the organism. Humans have tens of thousands of different genes; these determine the phenotype of the individual.
According to new study our level of happiness throughout life is strongly influenced by the genes with which we were born.
An Edinburgh University study of identical and non-identical twins suggests genes may control half the personality traits keeping us happy. The other half is linked to lifestyle, career and relationships.
So if you are not happy, just blame to your genes ;). On a related note positive thinking may improve overall life.
=> Genes ‘play key happiness role’
An immune system is a collection of mechanisms within an organism that protects against disease by identifying and killing pathogens and tumor cells. It detects a wide variety of agents, from viruses to parasitic worms, and needs to distinguish them from the organism’s own healthy cells and tissues in order to function properly.
Now researchers have found the behaviour of immune system genes varies from race to race – potentially affecting how they respond to infection. The Chicago University team looked at over 9,000 genes in 180 people, half Caucasian and half from Nigeria. They found differences between the two races in 5% of key genes. The American Journal of Human Genetics study may help explain why some groups are more vulnerable to disease, and aid development of more tailored treatment.
=> Race differences in immune genes