PSYB32H3 Chapter Notes - Chapter 4: Elizabeth Spelke, Decibel, Tinder

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They have well-developed reflexes and sensory responses, and they can respond and adapt to the environment from the first moments after birth. Some of the first behaviors to appear are the reflexes which a human"s involuntary response to external stimulation. Many of these reflexes help ensure the newborn"s survival. These patterns are referred to as the infant state, which is a recurring pattern of arousal in the newborn, ranging from alert, vigorous, wakeful activity to quiet, regular sleep. Indicates that from early in life, human behavior is organized and predictable. Human beings are not passive creatures that merely react to the environment. Internal forces play a central role in infant states and their changes. Arousal patterns begin to form before birth. There are two basic infant states -- waking and sleeping: the newborn, on average, sleeps about 70 percent of the time in a series of long and short naps during the day and night.

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