Sensation And Sensitivity

Each stimulus present outside of our body emits a certain amount of physical energy that is ultimately responsible for producing some effect in one or the other sensory organs of our body. For example, is working as a stimulus for producing some effects on our sense organs. It has a particular size and shape, colour and texture and its letters reflect a particular pattern. This effect produced on our sense organs for enabling...

Senses

Human senses are in fact the windows to the world - internal as well as external.These are the gateways of all information that our brain receives by interacting with the stimuli present inside and outside of our body. Our great ancient thinkers held that there were five human senses - Vision , Hearing , Taste , and Touch corresponding to...

Understanding Instincts

From time immemorial , the term instinct has been used for an innate disposition or characteristic that makes an organism to respond or to act in such a way that helps him in his adjustment or adaptation including the survival of his species. Consequently instinctive behaviour has been understood as an unlearned species.During the nineteenth century when Charles Darwin presented his theory that humans are linked to other species...