Native Americans would engage in "starvation and sleep loss".
The procedure incorporates a total fast for four days, alone at a consecrated site in nature which is picked by the older folks for this purpose. A few communities have utilized similar locales for ages. Amid this time, the youngster supplicates and cries out to the spirits that they may have a dream, one that will enable them to discover their motivation throughout everyday life, their job in a society, and how they may best serve the General population.
Answer:
Sigmund Freud’s Theory of Personality
Explanation:
The Austrian psychiatrist Sigmund Freud first described personality development as a series of stages. Of these stages, Freud believed that early childhood was the most important. He believed that personality developed by about the age of five.
Freud’s theory of personality development is described in more detail on pages 268-–273 of Chapter 13, “Personality.”
Answer:
<h2>The Tri-Chromtic theory</h2>
Explanation:
The Tri-chromatic theory is based on the assumption that the three classes of cone receptors sub serve the colour vision. This theory dates back to 18th century and was popular during the first half of 20th century and was often used against the opponent processes theory. It was also known as Young-Helmholtz theory of colour vision, according to this theory there are three receptors in the retina that are responsible for the perception of colour. These receptors have different sensitivity level. Blues ones are the most sensitive and the red ones the least. But to perceive the colour needs the interaction between at least two photo receptors. Then the three colours are combined to form any colour in the visible spectrum.
