---
title: "Facial-Feedback Hypothesis — AP Psych Definition & Exam Guide"
description: "The facial-feedback hypothesis says facial expressions feed back to the brain and shape emotion. Smiling can make you feel happier. Tested in AP Psych Topic 7.3."
canonical: "https://fiveable.me/ap-psych-revised/key-terms/facial-feedback-hypothesis"
type: "key-term"
subject: "AP Psychology"
---

# Facial-Feedback Hypothesis — AP Psych Definition & Exam Guide

## Definition

The facial-feedback hypothesis suggests that facial expressions can influence and regulate our emotions. When we make a facial expression, it sends signals to the brain which in turn affects our emotional state.

## Review

### Related Terms

- Emotional contagion: The phenomenon where we unconsciously mimic the emotional expressions of others, which then influences our own emotions.
- James-Lange theory: A theory of emotion that suggests that our emotional experience is caused by bodily reactions rather than the other way around.
- Display rules: Cultural norms and guidelines that dictate when and how we should express certain emotions in social situations.