Charles Darwin argued that human facial expressions are innate. What evolutionary reason did Darwin give for the evolution of these expressions?
What will be an ideal response?
Answer: A good answer will include the following key points.
• According to Darwin, human facial expressions evolved because they allowed our forebears to tell at a glance the difference between a friendly stranger and a hostile one.
• Facial expressions also probably evolved to help us communicate our emotional states to others and provoke a response from them.
You might also like to view...
Who is LEAST likely to live in a nursing home?
a) old-old women b) people with basic ADL (activities of daily life) impairments c) people with Alzheimer's disease d) adults with instrumental ADL (activities of daily life) problems
Which of the following is true of the functions of pain?
A) Pain is triggered by activation of Pacinian corpuscles. B) Pain can be triggered by tissue damage within the body. C) Opiates enhance pain reactivity. D) Emotional events mostly decrease the aversiveness of pain stimuli. E) Activation of ACC neurons is involved in the long-term consequences of pain.