EVIDENCE LIBRARY

Can Alcohol Increase Feeling Connected Without Improving Emotion Recognition?

A 156-person group-drinking study separated reported connection from emotion-recognition accuracy. Greater perceived relating did not mean a general improvement in empathy or reliable social judgment.

Feeling more connected after drinking did not mean that participants recognized emotions more accurately. In a 156-person experiment, alcohol increased one measure of perceived relating to an interaction partner while reducing anger-recognition accuracy. Most other empathy and emotion-recognition outcomes did not show significant alcohol effects.

The experiment included real interaction before testing

Kumar and colleagues studied young adults who drank heavily, with a mean age of about 22.5. Unacquainted participants drank in groups of three, and each group was assigned alcohol or placebo. There were 117 alcohol participants and 39 placebo participants, reflecting the parent study’s sampling plan.

The groups could interact while drinking, then participants completed separate assessments. Models accounted for people being clustered within groups. One placebo participant did not believe the manipulation, and that participant’s entire group was excluded from the analyzed sample.

Alcohol exposure was measured by breath instrument. Mean blood-alcohol-equivalent readings rose from approximately 0.051% immediately after drinking to 0.060% at sixty minutes. These were not direct blood measurements, and a rising group mean does not establish every participant’s individual trajectory.

Perceived relating was a particular self-report finding

Participants rated how well they understood, shared or related to another group member’s emotions. Alcohol significantly increased the associative component: reporting that they could relate to what the partner had been going through.

That association remained after adjustment for demographic and drinking covariates. An initial total-empathy difference did not remain significant after the same adjustment. The other cognitive and affective subscales did not show significant main alcohol effects.

A separate task using photographs did not find a significant alcohol effect on perceived empathy. The results therefore do not support a general claim that alcohol improves empathy across situations or measures.

Anger recognition worsened, while overall recognition was not significantly different

On a dynamic video-based emotion task, mean anger-recognition accuracy was approximately 67% in the alcohol group and 85% after placebo. The model found a significant alcohol effect, which remained after adjustment.

No significant alcohol effect was found for overall emotion-recognition accuracy or the other five analyzed emotion categories. A static-image recognition task also showed no significant difference.

The emotion measures had very low internal consistency: the analyzed video-task score had an alpha of .25, and the static-image recognition score .35. The authors urged caution. Multiple outcomes were tested without correction, adding another reason to treat isolated significant findings as requiring replication.

What might explain the apparent connection?

The experiment did not independently verify that participants accurately understood their partner’s feelings. Their reports concerned their own impressions after the interaction.

All members of a group received the same beverage condition. Alcohol could have changed a participant’s behavior, the partners’ behavior or the interaction between them. The design could not separate those pathways from a direct effect on social cognition.

Limits in a DUI setting

A friendly conversation or a reported sense of understanding another person cannot establish accurate perception, unimpaired judgment or a particular BAC. This study did not test driving, roadside encounters or aggression.

The sample was predominantly White and male, with differences in sex composition between beverage groups. Selected heavy-drinking young adults may differ from other drivers, and adjustment cannot remove every limitation of the design.

The site’s hostile-attribution study examines a separate question: whether an expression is labeled hostile. Perceived connection, recognizing anger and judging hostility are different outcomes and should not be combined into one claim about alcohol’s social effects.

Primary source

Kumar L, Creswell KG, Brown KW, Lyons G, Feeney BC. Alcohol’s acute effects on emotion recognition and empathy in heavy-drinking young adults. Scientific Reports. 2025;15:13807. https://doi.org/10.1038/s41598-025-98153-2.