UCLA Loneliness Scale

The UCLA Loneliness Scale is a self-reported questionnaire that measures an individual's subjective feelings of loneliness and social isolation, serving as an inverse indicator of social engagement.
TARGET:
OVERVIEW

The UCLA Loneliness Scale is a widely used tool to assess the extent to which individuals perceive themselves as socially isolated or lacking meaningful connections. Chronic loneliness is strongly associated with adverse neurological outcomes, including increased risk of depression, cognitive decline, and neurodegenerative diseases such as Alzheimer’s. By capturing the emotional and psychological dimensions of social disconnection, the scale provides insights into how loneliness impacts mental and brain health. It can guide targeted interventions, such as fostering social skills, improving relationship quality, and encouraging community engagement, to mitigate the negative effects of isolation.

MEASUREMENT

The UCLA Loneliness Scale consists of 20 statements, each rated on a 4-point Likert scale ranging from "Never" (1) to "Often" (4), reflecting how often individuals experience feelings of loneliness or lack of connection. Scores are summed, with higher scores indicating greater perceived loneliness. Shortened versions of the scale, including 3- and 10-item formats, are also available for quicker assessments. The questionnaire can be self-administered or facilitated in clinical, research, or online settings. Regular use helps track changes over time and evaluate the effectiveness of social or therapeutic interventions aimed at reducing loneliness and improving social engagement.

ASSESSMENT
QUESTIONNAIRE
Questionnaire Scores
Although evidence suggests a correlation between questionnaire scores and neurological health, it does not prove causality or guarantee brain health. Always consult a qualified medical practitioner before making any decisions regarding your health or lifestyle.  
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BENCHMARKS
Benchmark Warning
These benchmarks are generalized and may vary based on individual factors such as genetics, stress levels, medications, or medical conditions. Always consult a healthcare professional for personalized interpretation.
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RELATED RESOURCES
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