PSYC18H3 Chapter 1: Chapter One
Document Summary
The expression of the emotions in man and animals (1872) The origin of species (1859: described how living things have evolved to be adapted to their environments. He observed emotion expressions in nonhuman species, as well as in adult and infant humans. Asked to observe particular expressions in other cultures. Darwin concluded that emotional expressions derive largely from habits that in our evolutionary or individual past had once been useful. Thought of emotional expressions like vestigial parts of our bodies. Our emotions link us to the past both, the past of our species and our own infancy. Thought that emotions have useful functions too. Instead, james thought that when we perceive the object of fear, a bear, the exciting fact as he put it, then the emotion is the perception of changes of our body as we react to that fact.
