Saccades and prefrontal hemodynamics in basketball players.
We investigated saccade performance and prefrontal hemodynamics in basketball players with different skill levels. Subjects were 27 undergraduate basketball players and 13 non-athlete undergraduates (control group: CON). The players were divided into two groups: those who had played in the National Athletic Meet during high school or played regularly (n=13, elite group: ELI) and those who were bench warmers (n=14, skilled group: SKI). Horizontal eye movement and oxy-, deoxy-, and total-hemoglobin (Hb) concentration in the prefrontal cortex during pro- and anti-saccade were measured using electro-oculography and near-infrared spectroscopy, respectively. Only error rate in anti-saccade was less in ELI (4.8+/-4.0%) than SKI (13.7+/-12.6%) and CON (13.9+/-8.3%) (p<0.05). In ELI alone, oxy- (-0.15+/-0.18 mmol*mm) and total-Hb (-0.12+/-0.15 mmol*mm) during anti-saccade decreased significantly compared with that during rest (p<0.05), while those in CON significantly increased (oxy-Hb: 0.17+/-0.15 mmol*mm, total-Hb: 0.14+/-0.14 mmol*mm) (p<0.05). These results suggest that inhibition of eye movement to a visual target changes from voluntary to automatic through the motor learning of basketball.
Fujiwara
K
K
Department of Human Movement and Health, Kanazawa University, Japan. fujikatu@med.m.kanazawa-u.ac.jp
Kiyota
N
N
Maekawa
M
M
Kunita
K
K
Kiyota
T
T
Maeda
K
K
D000293:Adolescent; D001490:Basketball / Q000502:physiology*; D004585:Electrooculography; D005260:Female; D006439:Hemodynamics / Q000502:physiology*; D006454:Hemoglobins / Q000378:metabolism; D006801:Humans; D008297:Male; D009048:Motor Skills / Q000502:physiology; D017397:Prefrontal Cortex / Q000502:physiology; D012438:Saccades / Q000502:physiology*; D019265:Spectroscopy, Near-Infrared; D055815:Young Adult
D006454:Hemoglobins