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Original article: adolescent dietary patterns derived using principal component analysis and neuropsychological functions: a cross-sectional analysis of Walnuts Smart Snack cohort.

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Title: Original article: adolescent dietary patterns derived using principal component analysis and neuropsychological functions: a cross-sectional analysis of Walnuts Smart Snack cohort.
Authors: Ayala-Aldana, Nicolas, Pinar-Martí, Ariadna, Ruiz-Rivera, Marina, Fernández-Barrés, Sílvia, Romaguera, Dora, Casanova-Mollà, Jordi, Solà-Valls, Nuria, Julvez, Jordi
Source: European Child & Adolescent Psychiatry. May2025, Vol. 34 Issue 5, p1569-1578. 10p.
Subjects: Emotion regulation, Cross-sectional method, Food consumption, Questionnaires, Multiple regression analysis, Descriptive statistics, Internalizing behavior, Impulsive personality, Teenagers' conduct of life, Neuropsychology, Food habits, Neuropsychological tests, Food preferences, Factor analysis, Confidence intervals, Nuts, Externalizing behavior, Adolescence
Geographic Terms: Spain
Abstract: A balanced diet is relevant for neuropsychological functioning. We aimed to analyze the association between dietary patterns and neuropsychological outcomes in a sample of healthy adolescents of the Walnuts Smart Snack (WSS) cohort from Barcelona city. We performed principal components analysis (PCA) to determine dietary patterns in the adolescent sample using a food frequency questionnaire (60 items). Multiple linear regression models were performed to analyze the association between PCA dietary patterns with neuropsychological outcomes: Strengths and Difficulties (SDQ) externalizing and internalizing scores, Attention Network Test (ANT) Impulsivity Index and Emotional Recognition Task (ERT) scores. We additionally adjusted the models for child sex, age, body mass index (BMI), physical activity and maternal education. Six dietary patterns were identified in PCA analyses. "low consumption of calorie-dense foods" dietary pattern had a negative association (protective) with the both SDQ outcomes (p value < 0.001) and "Nuts" dietary pattern showed a negative (protective) association with impulsivity index (β 1 = −24.60, 95% CI = −36.80, −12.41, p value < 0.001). Overall, our main results suggest that healthy dietary patterns, including higher intakes of "nuts" and a preference of "low consumption of calorie-dense foods" dietary patterns, could provide a beneficial association with neuropsychological functions during the adolescence period. The associations may include improvements of externalizing and internalizing problem symptoms, and impulsivity. [ABSTRACT FROM AUTHOR]
Copyright of European Child & Adolescent Psychiatry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Original article: adolescent dietary patterns derived using principal component analysis and neuropsychological functions: a cross-sectional analysis of Walnuts Smart Snack cohort.
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  Data: A balanced diet is relevant for neuropsychological functioning. We aimed to analyze the association between dietary patterns and neuropsychological outcomes in a sample of healthy adolescents of the Walnuts Smart Snack (WSS) cohort from Barcelona city. We performed principal components analysis (PCA) to determine dietary patterns in the adolescent sample using a food frequency questionnaire (60 items). Multiple linear regression models were performed to analyze the association between PCA dietary patterns with neuropsychological outcomes: Strengths and Difficulties (SDQ) externalizing and internalizing scores, Attention Network Test (ANT) Impulsivity Index and Emotional Recognition Task (ERT) scores. We additionally adjusted the models for child sex, age, body mass index (BMI), physical activity and maternal education. Six dietary patterns were identified in PCA analyses. &quot;low consumption of calorie-dense foods&quot; dietary pattern had a negative association (protective) with the both SDQ outcomes (p value &lt; 0.001) and &quot;Nuts&quot; dietary pattern showed a negative (protective) association with impulsivity index (β 1 = −24.60, 95% CI = −36.80, −12.41, p value &lt; 0.001). Overall, our main results suggest that healthy dietary patterns, including higher intakes of &quot;nuts&quot; and a preference of &quot;low consumption of calorie-dense foods&quot; dietary patterns, could provide a beneficial association with neuropsychological functions during the adolescence period. The associations may include improvements of externalizing and internalizing problem symptoms, and impulsivity. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of European Child &amp; Adolescent Psychiatry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00787-024-02577-6
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        Text: English
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        Type: general
      – SubjectFull: Cross-sectional method
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      – SubjectFull: Food consumption
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      – SubjectFull: Internalizing behavior
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              Text: May2025
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