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There is a connection between the frontal negative slow wave (FNSW) and the arousal inhibition in the hedonic purchase context. To calculate the FNSW (400–800 ms), event-related potentials (ERPs) method was applied to depict the neural substrates on prudent and impulsive consumers' behaviors within various states of promotion. Promotion types include the pure price promotion and the mixed promotion (a mixture of a charitable donation and a discount). Behaviorally, consumers response more quickly in the pure price promotion condition and they express a preference for the mixed promotion. More importantly, a larger FNSW emerged in the impulsive consumers than the prudent, suggesting that the former might tend to control their eagerness to consume hedonic items. Compared with the price promotion as the worse option, the mixed promotion as the better option caused more perceptual conflict, leading to an increase in N2 amplitude. It suggests that consumers incline to reject the worse offers. These results also reveal that people primarily have to search negative promotion information by their insight and subsequently impulsive consumers inhibit the responses to the promotion information. The method of ERPs and FNSW should be helpful for marketing researchers and professionals on hedonic consumption and sales promotion. [ABSTRACT FROM AUTHOR]

Due to consuming hedonic products unnecessary to basic well-being, consumers need justifications for pleasure. However, different justifications have differential influences in promoting hedonic purchases, such as price and quantity promotions (PP and QP), the difference being that the latter requires purchasing additional units to get the same discount as the former. In the present study, even-related potentials (ERPs) was applied to reveal the timing of brain activities to further understand how promotion information consisting of promotion type (PP and QP) and discount depth, deep and shallow discounts (DD and SD) on hedonic products was processed. Behaviorally, consumers were more willing to purchase items in PP and DD conditions than QP and SD conditions, respectively, and spent more time making final purchase decisions in QP and DD condition or PP and SD condition compared to PP and DD condition. Neurophysiologically, DD automatically recruited more attentional resources than SD and led to a higher P2 amplitude. QP and DD condition or PP and SD condition evoked a larger N2 amplitude and enhanced perceptual conflict compared to PP and DD condition. During late stage, PP and DD elicited a more positive LPP amplitude in contrast to QP and SD, respectively, indicating that people have stronger purchase intention and positive affect in PP and DD contexts. These findings provided evidence for the differential influences between PP and QP and what ultimately made consumers buy hedonic products or not. [ABSTRACT FROM AUTHOR]

• Using ERPs to study the impact of empathy with nature on green purchase behavior. • Empathy with nature could effectively promote consumers' green purchase behavior. • Empathy with nature could reduce the decision conflict when buying green products. • Empathy with nature could affect consumers' product preferences. Due to the attitude-behavior gap in green consumption, it is necessary to conduct more research on consumers' actual purchase behavior. At present, few studies have been conducted on the impact of empathy with nature on green purchase behavior. This research explored the underlying neural mechanism of empathy with nature on consumers' green purchase decisions by applying the event-related potentials (ERPs) approach. Behaviorally, compared with the control group, the experimental group had a higher purchase rate of green products and spent less time when buying green products. For the experimental group, buying green products required less time than buying traditional products. At the neural level, when buying green products, the N2 and N400 amplitudes of the experimental group were smaller than those of the control group. For the experimental group, buying green products elicited a smaller N2 amplitude than buying traditional products. These findings suggested that empathy with nature could reduce consumers' decision conflict when buying green products, thereby promoting consumers' green purchase behavior. [ABSTRACT FROM AUTHOR]