Brain Stimulation May Reduce The Objectification Of Women

What if neurostimulation could change the way the brain perceives sexualized women? In an experiment involving 76 participants, researchers observed changes in image recognition following non-invasive electrical brain stimulation. These results open up new possibilities for investigating the brain mechanisms involved in sexual objectification.

The way we perceive others can be influenced by how they are presented. Sexual objectification occurs when a person, most commonly a woman, is perceived primarily as a body or an object of sexual desire, while her individual traits, feelings, thoughts, and personality are relegated to the background.

Instead of being recognized as a complete human being, she is evaluated predominantly based on her physical appearance and her potential for providing sexual gratification.

Sexual objectification primarily affects women and adolescent girls and can manifest in various everyday situations. In personal relationships, it may appear through comments about a woman’s body, assessments of her appearance, or unwanted sexual advances.

In the broader culture, it is present in the frequent exposure to images that depict women in a sexualized manner, whether in traditional media or on digital platforms. It can also be embedded within social and institutional practices, such as beauty pageants or modeling. These situations are not harmless; they represent forms of sexism that reduce women to their physical appearance and sexual attributes, overshadowing qualities such as intelligence, competence, autonomy, and the capacity for decision-making.

From a brain-based perspective, this process involves various networks of regions that participate in visual perception, attention, social evaluation, and empathy. The prefrontal cortex, particularly areas involved in cognitive control and social evaluation, plays a role in interpreting information and regulating responses.

The temporoparietal cortex contributes to the recognition that other people possess their own thoughts, intentions, and perspectives. Meanwhile, regions such as the medial prefrontal cortex and the superior temporal sulcus are involved in perceiving social characteristics and understanding the intentions of others.

It is important to note that objectification does not correspond to a specific brain lesion or alteration. Rather, it is a complex psychological and social phenomenon, shaped by experiences, learning, culture, and context.

Neuroscience seeks to understand how these factors relate to the brain mechanisms involved in how we perceive other people.

A new study investigated whether a brain stimulation technique could modify some of the perceptual processes associated with this behavior.

The research involved 76 participants who performed a task requiring them to recognize images of sexualized men and women. The photographs were presented in two orientations: the normal, upright position and upside down. The researchers used this comparison to examine the so-called "inversion effect."

Typically, our brains recognize faces and bodies more easily when they are in the correct, upright position, as this allows for better processing of how the various parts are organized. When an image is inverted, this recognition generally becomes more difficult.

The researchers aimed to determine whether this effect would change when viewing images of sexualized women. This is because when a person is perceived primarily as a collection of body parts rather than as a complete individual, the brain may process their image differently. A smaller inversion effect for sexualized women, compared to men, was used as a potential indicator of this type of perception.

During the task, some participants received a technique called transcranial direct current stimulation, which uses electrodes placed on the scalp to deliver a weak electric current. In this experiment, the stimulation lasted for ten minutes and was directed at the left frontal region of the brain, an area involved in processes related to attention and cognitive control.

Another group received sham (simulated) stimulation: the equipment was set up in the same way, but the current was applied for only a few seconds, serving as a control. The study was double-blind, meaning that neither the participants nor the researchers conducting the task knew who was receiving the actual stimulation.

The results showed that the group that received the sham stimulation exhibited a smaller inversion effect for sexualized women than for men. In contrast, this difference was not observed in the group that received the brain stimulation: participants were better at recognizing images of sexualized women when they were presented in an upright (normal) orientation.

The researchers interpreted this result as a possible modulation of the perceptual processes associated with sexual objectification. However, it is important to note that the experiment did not demonstrate that the stimulation eliminates biases or changes sexist attitudes.

It merely indicates that certain patterns of visual recognition can be modified through brain stimulation; further studies are required to understand the implications of this effect for everyday behavior.

READ MORE:

Disrupting objectification: transcranial Direct Current Stimulation (tDCS) enhances the inversion effect toward sexualized women

Ciro Civile and Arwen Stephens

Social Neuroscience. 21(5), 230–243. Oct 1, 2026

DOI: 10.1080/17470919.2026.2751696

Abstract: 

Sexual objectification is associated with viewing women in an object-like manner, often indexed perceptually by a reduced inversion effect for sexualized women relative to men. Prior research has shown that this index can be attenuated through social manipulations; here we investigated whether it can be modulated through neuromodulation. Using a double-blind, between-subjects design, participants (N = 76) completed a recognition task involving upright and inverted sexualized targets while receiving either anodal transcranial Direct Current Stimulation (tDCS) (10-mins, 1.5 mA, anode at Fp3) or sham/control stimulation (30-secs, 1.5 mA). The sham group exhibited a significantly reduced inversion effect for sexualized women relative to men, a finding interpreted as an index of objectification. Critically, this pattern differed between groups (Orientation × Target × tDCS interaction) and was not observed in the anodal tDCS group: the inversion effect for sexualized women was larger than under sham and did not differ significantly from that for men. This modulation was accompanied by improved recognition of upright sexualized women. These findings provide initial evidence that objectification, as indexed by the inversion effect, can be modulated through neurostimulation. More broadly, the results suggest that the perceptual processes captured by this index are modifiable.