האם פעילות גופנית יכולה לחזק את התפקוד הקוגניטיבי, בעיקר בתקופת הזיקנה?

קרן זריהן | 21 בינואר 2024 | מדע וטכנולוגיה | 2 דק׳

מחקר חדש: לאנשים פעילים גופנית יש מוח גדול יותר

מחקר חדש חשף קשר בין קיום פעילות גופנית סדירה לבין גודלם של חלקי המוח האחראים על זיכרון ויכולות למידה. המחקר, שפורסם ב-Journal of Alzheimer's Disease ב-7 בדצמבר, בוצע על ידי צוות חוקרים מהמכון לבריאות המוח (PBHC) שבקליפורניה ומאוניברסיטת וושינגטון שבסנט לואיס.

המחקר בחן סריקות מוח של 10,125 אנשים, שבוצעו באמצעות MRI, ומצא שאלה שדיווחו כי הם עוסקים באופן קבוע בפעילות גופנית כמו הליכה, ריצה או ספורט כלשהו – היו בעלי נפח מוח גדול יותר באזורים מסוימים. אזורים אלה כללו את אזור "קבלת החלטות" של האונה הקדמית ואת ההיפוקמפוס – הממלא תפקיד חשוב באופן שבו זכרונות מאוחסנים ומטופלים.

על פי המחקר, האימון לא צריך להיות ממושך או אינטנסיבי מדי כדי שיהיו לו השפעות מחזקות. "מצאנו שאפילו רמות מתונות של פעילות גופנית, כמו הליכה של פחות מ-4,000 צעדים ביום, יכולות להשפיע לטובה על בריאות המוח", אמר הפסיכיאטר ומדען המוח דיוויד מריל מה-PBHC לאתר Science alert. "זה הרבה פחות מ-10,000 הצעדים אותם מציעים לעתים קרובות, מה שהופך את הפעילות למטרה בת-השגה עבור אנשים רבים".

רוצה לקרוא עוד?

להמשך קריאה הירשמו או התחברו

גברים רצים בתל אביב, 28 בדצמבר 2023 | AHMAD GHARABLI/AFP via Getty Images

אנשים מקיימים פעילות גופנית בטיילת בתל אביב, 28 בדצמבר 2023 | AHMAD GHARABLI/AFP via Getty Images

אילוסטרציה: Shutterstock

״נדיר ביותר ובלתי סביר״: המדענים שחוקרים ילדים עם זיכרונות מחיים קודמים

מאיה מזרחי

איור אילוסטרציה: מגזין אפוק, Shutterstock

האם הסוד לחיי הנעורים נמצא במעמקי גופנו?

רקפת תבור

הלב מזוהה אוניברסלית כסמל לאהבה, ובאופן מעניין, האהבה יכולה להשפיע באופן משמעותי על הלב עצמו | אילוסטרציה: מגזין אפוק, Shutterstock

חשבנו שאהבה היא רק רגש – המחקרים מראים שהיא גם תרופה

רקפת תבור

אילוסטרציה: Shutterstock

איברמקטין נגד סרטן: תרופת פלא או תקוות שווא?

רקפת תבור

אילוסטרציה: Shutterstock

הגוף זוכר: האם הלא מודע שלנו טמון גם בתאים, בלב ובשרירים?

רקפת תבור

איור אילוסטרציה: מגזין אפוק

כשלטבע יש חתימה: האם צורתם של צמחים חושפת את סגולותיהם הרפואיות?

רקפת תבור

הירשמו לניוזלטר שלנו וקבלו תוכן חדש למייל מדי חודש

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