A study involving 629 12th-grade students from three Los Angeles-area high schools has revealed that, across both genders and all ethnicities, adolescents with more in-school friends, compared with out-of-school friends, had higher grade point averages.
Seventh graders given 20 mg zinc, five days per week, for 10 to 12 weeks showed improvement in cognitive performance, responding more quickly and accurately on memory tasks and with more sustained attention, than classmates who received no additional zinc.
A guinea pig study has found that newborn guinea pigs subjected to moderate vitamin C deficiency had 30% fewer hippocampal neurons and markedly worse spatial memory than guinea pigs given a normal diet.
Articles on Mempowered
- Classroom learning
- Class Size: Does it Matter?
- Homework: is it worth it?
- Using computers in schools
- International Curricula
- International Comparisons
- International Comparisons of Achievement
- Alternatives to mainstream education
- Sleep and cognition in children