Hard thinking serious man over blackboard background gear brain arrows and mess as thoughts. Concept for mental, psychological development.

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Size: 5500px × 4500px
Photo credit: © Bulat Silvia / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: adhd, anxiety, arrow, brain, brainstorm, bulb, business, businessman, concept, confusion, creative, creativity, difficult, draw, education, emotion, expression, face, gear, hard, head, health, human, idea, illness, imagination, information, knowledge, man, medical, memory, mental, mess, mind, pen, person, science, sketch, smart, solve, study, symbol, task, thinking, thoughts, wheels, young