Naturalistic stimuli evoke highly reliable brain activity across viewers. Here we record neural activity from a group of naive individuals while viewing popular, previously-broadcast television content for which the broad audience response is characterized by social media activity and audience ratings. We find that the level of inter-subject correlation in the evoked encephalographic responses predicts the expressions of interest and preference among thousands. Surprisingly, ratings of the larger audience are predicted with greater accuracy than those of the individuals from whom the neural data is obtained. An additional functional magnetic resonance imaging study employing a separate sample of subjects shows that the level of neural reliability evoked by these stimuli covaries with the amount of blood-oxygenation-level-dependent (BOLD) activation in higher-order visual and auditory regions. Our findings suggest that stimuli which we judge favourably may be those to which our brains respond in a stereotypical manner shared by our peers.

Recent scholarship highlights the importance of public discourse for the mobilization and impact of social movements, but it neglects how cultural products may shift discourse and thereby influence mobilization and political outcomes. This study investigates how activism against hydraulic fracturing (“fracking”) utilized cultural artifacts to influence public perceptions and effect change. A systematic analysis of Internet search data, social media postings, and newspaper articles allows us to identify how the documentary Gasland reshaped public discourse. We find that Gasland contributed not only to greater online searching about fracking, but also to increased social media chatter and heightened mass media coverage. Local screenings of Gasland contributed to anti-fracking mobilizations, which, in turn, affected the passage of local fracking moratoria in the Marcellus Shale states. These results have implications not only for understanding movement outcomes, but also for theory and research on media, the environment, and energy.

To what extent and in what respects does the political thought of Michel Foucault reflect the influence of Friedrich Nietzsche's ideas? In the September 1990 issue of this Review, Leslie Paul Thiele firmly asserted Nietzschean roots for Foucault's thought. In this Controversy, Thiele's claims are disputed by J. Scott Johnson. Johnson argues that Foucault's theory is rooted as much in Marx as in Nietzsche and that Foucault himself refuted Thiele's interpretation. In his response, Thiele takes issue with Johnson's critique.

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