Eliciting emotion ratings for a set of film clips: A preliminary archive for research in emotion

ABSTRACT

Film clips are commonly used to elicit subjectively experienced emotional states for many research purposes, but film clips currently available in databases are out of date, include a limited set of emotions, and/or pertain to only one conceptualization of emotion. This work reports validation data from two studies aimed to elicit basic and complex emotions (amusement, anger, anxiety, compassion, contentment, disgust, fear, happiness/joy, irritation, neutrality, pride, relief, sadness, surprise), equally distributed according to valence (positive, negative) and intensity (high, low). Participants rated film clips according to the degree of experienced emotion, and for valence and arousal. Our findings initiate an iterative archive of film clips shown here to discretely elicit 11 different emotions. Although further validation of these film clips is needed, ratings provided here should assist researchers in selecting potential film clips to meet the aims of their work.     

Predicting the biological variability of environmental rhythms: Weak or strong anticipation for sensorimotor synchronization?

The internal processes involved in synchronizing our movements with environmental stimuli have traditionally been addressed using regular metronomic sequences. Regarding real-life environments, however, biological rhythms are known to have intrinsic variability, ubiquitously characterized as fractal long-range correlations. In our research we thus investigate to what extent the synchronization processes drawn from regular metronome paradigms can be generalized to other (biologically) variable rhythms. Participants performed synchronized finger tapping under five conditions of long-range and/or short-range correlated, randomly variable, and regular auditory sequences. Combining experimental data analysis and numerical simulation, we found that synchronizing with biologically variable rhythms involves the same internal processes as with other variable rhythms (whether totally random or comprising lawful regularities), but different from those involved with a regular metronome. This challenges both the generalizability of conclusions drawn from regular-metronome paradigms, and recent research assuming that biologically variable rhythms may trigger specific strong anticipatory processes to achieve synchronization.