" The study also found a difference between girls and boys who have a smoking and/or nicotine exposure history. The girls had problems in both looking and listening during the word recognition exercises. The boys had more problems listening while doing the exercises. "

" "This suggests that brain regions involved in auditory attention may be more vulnerable to nicotine in boys," Jacobsen said. "These gender-speficic effects may result from differences in hormonal control of nicotine's actions." "

" Teen girls and boys who do not smoke and who were not exposed to nicotine pre-natally performed most accurately. Individuals who smoke but whose mothers did not smoke, or those
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