Physiological arousal is the starting point for emotion

The argument

In the Schachter-Singer Two-Factor theory of emotion, the first factor in causing an emotion is physiological arousal. According to the two factor model, physiological responses are a necessary, though not sufficient, condition for emotions. The Schachter-Singer theory shares this contention in common with the earlier James-Lange theory of emotion, which argued that emotions are directly and solely the results of physiological responses. Unlike James-Lange, the Schachter-Singer theory describes physiological arousal as only the first step in forming emotions, which is followed by cognitive interpretation before an actual emotional response occurs.

Premises

Counter-arguments

A counter notes that rival theories of emotion dispute that physiological arousal is the starting point. The Lazarus cognitive-mediational theory holds that appraisal comes first and generates the arousal, reversing the order; Zajonc argued that some emotional responses precede and bypass cognition entirely. Empirically, the two-factor model's founding Schachter-Singer experiment has proved difficult to replicate, and critics note that arousal is often too diffuse and slow to serve as the initiating signal the theory requires. So 'arousal is the starting point' is one contested account among several rather than an established sequence.

Rejecting the premises

[Rejecting P1] Rival appraisal theories (Lazarus) hold that cognitive appraisal precedes and causes the arousal, reversing the order the two-factor theory asserts. [Rejecting C] The two-factor model's founding experiment has been hard to replicate, so treating arousal as the established starting point of emotion overstates a contested theory.