Evolutionary explanations of food preferences

Consumption of food plays a pivotal role in ensuring the survival and functionality of all organisms- be it a single-celled amoeba, a plant, or a human being. All living organisms are programmed to obtain food from their environments in some way or the other. Besides being programmed to obtain food, humans have also evolved certain …

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We’re all evolved to be hunter-gatherers


Modern homo sapiens evolved around 200,000 years ago and lived mainly as hunter-gatherers. They mostly led nomadic lives moving from place to place in search of food. Their bodies had evolved to make them efficient hunter-gatherers and this continued for thousands of years. Changes in the hunter-gatherer way of life began only recently with respect …

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How evolved psychological mechanisms work

brain psychological mechanisms

An evolved psychological mechanism is a behavioural program present in an organism that tends to ensure its survival and reproductive success.  Over the period of evolution of an organism, behavioural strategies that enable its successful survival and reproduction get selected and are passed on to succeeding generations. The result is that the behavioural strategies you …

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Evolutionary perspective in psychology

Evolutionary psychology, as the name suggests, is the application of the principles of evolutionary theory to psychology. Before you can understand how an evolutionary perspective can be applied to human behavior, you first need to have a firm grasp on the theory of evolution itself. Theory of evolution  It’s the year 2500 A.D. and mankind …

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