This document summarizes a presentation on nostalgia and acculturation. It discusses how immigration causes acculturative stress and loneliness. Loneliness then leads to reduced social support and increased nostalgia. The document defines nostalgia and outlines its functions, including elevating positive affect, supporting self-regard, providing meaning, fostering continuity, and strengthening social bonds. Nostalgia contributes to successful integration by promoting psychological health and interpersonal skills. While nostalgia helps with acculturation, overuse could hinder integration. More research is needed on gender and age differences in nostalgia.