(positive social feedback concerning one's character) has been shown to occur in the human ventral striatum.

I demonstrate that approximately one-to two-thirds of variance in social media use is attributable to additive genetic traits; unique and shared environmental factors account for the remainder of variance.

indicated that student athletes were heavily influenced and affected by Twitter use across various domains in their lives.

Participants averaged less than six minutes on task prior to switching most often due to technological distractions including social media, texting and preference for task-switching

Electronic communication is emotionally gratifying,

Most athletes had two or more social media-related apps in their top three most frequently used apps.

Social media applications (e.g., Instagram, Snapchat, and Facebook) accounted for a staggering amount of the participants’ total smartphone usage over the assessed nine-month period.

Growing up with Internet technologies, “Digital Natives” gravitate toward “shallow” information processing behaviors characterized by rapid attention shifting and reduced deliberations.

30-min of smartphone apps impaired passing decision-making performance.

30-min of smartphone apps exposition caused mental fatigue.

Positive and negative commentary presents distractions to athletes.