While individual differences in temperament seem to be there from birth, emotion, cognition and social behaviour appear to develop together and to be dependent on one another. However, some aspects of emotion must be built in or hard-wired. Studies by Watson and Raynor (1920) and Bridges (1932) dominated the early investigation of emotion development. From a behavioural perspective, Watson and Raynor were interested in emotional development through conditioning and studied the conditioned fear of rats in a boy of 11 months.
Watson argued that our emotional lives build up around this type of conditioning, although he argued that the foundations for this are provided by what he saw as the three basic built-in emotions. Watson called them X, Y and Z, although they could be named fear, rage and joy. His observations of infants suggested that these reactions are elicited by, respectively, a sudden loss of support, a thwarting or hampering of physical movement, and a stroking or tickling of the body. Bridges’ (1932) approach to emotional development was based on observation rather than experiment. She believed that we have only one built-in emotional state – undifferentiated excitement. By about the age of three months, Bridges argued that this divides into positive (delight) and negative (distress). There follows increasing differentiation of the emotions, until, by about the age of two, we show a primitive form of all of the adult emotions. With respect to this proposed differentiation, Bridges argued that at about six months comes anger, then disgust, and then fear, and at 18 months or so jealousy breaks away from anger. As for positive emotions, it is proposed that elation develops at about seven or eight months, joy at about 20 months, affection for adults at about nine months, and affection for children at about 15 months. For many years, Bridges’ descriptions could be found in most psychological texts, even though it could be argued that her observations were very sketchy, her definitions inexact, and she had not dealt adequately with emotion in newborn infants.
Watson argued that our emotional lives build up around this type of conditioning, although he argued that the foundations for this are provided by what he saw as the three basic built-in emotions. Watson called them X, Y and Z, although they could be named fear, rage and joy. His observations of infants suggested that these reactions are elicited by, respectively, a sudden loss of support, a thwarting or hampering of physical movement, and a stroking or tickling of the body. Bridges’ (1932) approach to emotional development was based on observation rather than experiment. She believed that we have only one built-in emotional state – undifferentiated excitement. By about the age of three months, Bridges argued that this divides into positive (delight) and negative (distress). There follows increasing differentiation of the emotions, until, by about the age of two, we show a primitive form of all of the adult emotions. With respect to this proposed differentiation, Bridges argued that at about six months comes anger, then disgust, and then fear, and at 18 months or so jealousy breaks away from anger. As for positive emotions, it is proposed that elation develops at about seven or eight months, joy at about 20 months, affection for adults at about nine months, and affection for children at about 15 months. For many years, Bridges’ descriptions could be found in most psychological texts, even though it could be argued that her observations were very sketchy, her definitions inexact, and she had not dealt adequately with emotion in newborn infants.
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