Dietary patterns related to attention and physiological function in high-altitude migrants

Area of Science:

• Altitude physiology
• Nutritional science
• Cognitive neuroscience

Background:

• High altitude exposure is known to impair human attentional function.
• The role of diet in regulating attentional and physiological responses at high altitudes remains understudied.
• Understanding these dietary influences is crucial for high-altitude migrant well-being.

Purpose of the Study:

• To investigate the relationship between dietary patterns and attentional performance in high-altitude migrants.
• To identify specific dietary factors that may mitigate or exacerbate the negative effects of high altitude on attention.
• To explore the association between physiological markers, diet, and cognitive function.

Main Methods:

• Recruited 116 male Han Chinese students residing in Tibet for over two years.
• Utilized food frequency questionnaires, complete blood counts, and the attention network test.
• Employed principal component analysis for dietary pattern extraction and linear mixed models for analysis.

Main Results:

• Identified five major dietary patterns: coarse grain, alcohol, meat, protein, and snacking.
• Positive correlation found between adherence to a coarse grain diet, high mean corpuscular hemoglobin, and better attentional performance.
• High alcohol consumption and elevated systemic immune-inflammation index levels were associated with poorer attentional function.

Conclusions:

• Dietary interventions, particularly increasing coarse grain intake, may enhance attentional performance in high-altitude populations.
• Reducing excessive alcohol consumption is recommended to support cognitive function at high altitudes.
• Further research into dietary strategies can aid in optimizing the health and cognitive performance of high-altitude migrants.