A study has found that engaging with frightening entertainment, such as horror films, is associated with temporary changes in brain network activity common in depression. The research also found that individuals with moderate depressive symptoms may require a more intense scare to experience peak enjoyment, hinting at an intriguing interplay between fear, pleasure, and emotion regulation. These findings were published in the journal Psychology Research and Behavior Management.
The investigation was conducted by researchers Yuting Zhan of Ningxia University and Xu Ding of Shandong First Medical University. Their work was motivated by a long-standing psychological puzzle known as the fear-pleasure paradox: why people voluntarily seek out and enjoy frightening experiences. While this phenomenon is common, little was known about how it functions in individuals with depression, a condition characterized by persistent low mood, difficulty experiencing pleasure, and altered emotional processing.
The researchers were particularly interested in specific brain network dysfunctions observed in depression. In many individuals with depression, the default mode network, a brain system active during self-referential thought and mind-wandering, is overly connected to the salience network, which detects important external and internal events. This hyperconnectivity is thought to contribute to rumination, where a person gets stuck in a cycle of negative thoughts about themselves. Zhan and Ding proposed that an intense, controlled fear experience might temporarily disrupt these patterns by demanding a person’s full attention, pulling their focus away from internal thoughts and onto the external environment.
To explore this, the researchers designed a two-part study. The first study aimed to understand the psychological and physiological reactions to recreational fear across a spectrum of depressive symptoms. It involved 216 adult participants who were grouped based on the severity of their depressive symptoms, ranging from minimal to severe. These participants were exposed to a professionally designed haunted attraction. Throughout the experience, their heart rate was monitored, and saliva samples were collected to measure cortisol, a hormone related to stress. After each scary scenario, participants rated their level of fear and enjoyment.
The results of this first study confirmed a pattern seen in previous research: the relationship between fear and enjoyment looked like an inverted “U”. This means that as fear intensity increased, enjoyment also increased, but only up to a certain point. After that “sweet spot” of optimal fear, more intense fear led to less enjoyment. The study revealed that the severity of a person’s depression significantly affected this relationship.
Individuals with moderate depression experienced their peak enjoyment at higher levels of fear compared to those with minimal depression. Their physiological data showed a similar pattern, with the moderate depression group showing the most pronounced cortisol stress response. In contrast, participants with the most severe depressive symptoms showed a much flatter response curve, indicating they experienced less differentiation in enjoyment across various fear levels.
The second study used neuroimaging to examine the brain mechanisms behind these responses. For this part, 84 participants with mild-to-moderate depression were recruited. While inside a functional magnetic resonance imaging scanner, which measures brain activity by detecting changes in blood flow, participants watched a series of short clips from horror films. They had resting-state scans taken before and after the film clips to compare their baseline brain activity with their activity after the fear exposure.
The neuroimaging data provided a window into the brain’s reaction. During the scary clips, participants showed increased activity in the ventromedial prefrontal cortex, a brain region critical for emotion regulation and processing safety signals. The analysis also revealed that after watching the horror clips, the previously observed hyperconnectivity between the default mode network and the salience network was temporarily reduced. For a short period after the fear exposure, the connectivity in the brains of these participants with depression more closely resembled patterns seen in individuals without depression. This change was temporary, beginning to revert to baseline by the end of the post-exposure scan.
Furthermore, the researchers found a direct link between these brain changes and the participants’ reported feelings. A greater reduction in the connectivity between the default mode network and salience network was correlated with higher ratings of enjoyment. Similarly, stronger activation in the ventromedial prefrontal cortex during the fear experience was associated with greater positive feelings after the experiment. These findings suggest that the controlled fear experience may have been engaging the brain’s emotion-regulation systems, momentarily shifting brain function away from patterns associated with rumination.
The authors acknowledge several limitations to their study. The research primarily included individuals with mild-to-moderate depression, so the findings may not apply to those with severe depression. The study was also unable to control for individual differences like prior exposure to horror media or co-occurring anxiety disorders, which could influence reactions. Another consideration is that a laboratory or controlled haunted house setting does not perfectly replicate how people experience recreational fear in the real world.
Additionally, the observed changes in brain connectivity were temporary, and the correlational design of the study means it cannot prove that the fear experience caused a change in mood, only that they are associated. The researchers also did not include a high-arousal, non-fearful control condition, such as watching thrilling action movie clips, making it difficult to say if the effects are specific to fear or to general emotional arousal.
Future research is needed to explore these findings further. Such studies could investigate a wider range of participants and fear stimuli, track individuals over a longer period to see if the neural changes have any lasting effects, and conduct randomized controlled trials to establish a causal link. Developing comprehensive safety protocols would be essential before any potential therapeutic application could be considered, as intense fear could be distressing for some vulnerable individuals.
The study, “Fear-Pleasure Paradox in Recreational Fear: Neural Correlates and Therapeutic Potential in Depression,” was published June 27, 2025.
