If as a child, the person did not receive much attention from his parents or his peers then he may grow up feeling neglected. Those feelings will then be the main drive behind the person’s attention seeking behavior.
Abusive parents and parents who are always absent usually make their children feel that they are overlooked and so the child may grow up becoming an attention seeking adult.
Sometimes adults seek attention because of jealousy When someone finds himself threatened by another person who takes all the attention he is supposed to get he may respond with attention seeking behavior.
Lack of self worth can be another cause for attention seeking behavior. Some people think that they are overlooked and so they think that the only solution to restore their balance is to bring back the lost attention. The attention they will get in this case will provide them with reassurance and will help them think that they are worthy.
Arrogant & overconfident people may seek attention because they have the feeling that they deserve to be in the center of attention. Because they aren’t mature enough they still think with their inner child’s mentality which makes them believe that they are the center of the world.
Usually the child thinks that he is the center of the universe around which all other objects revolve. If the child’s way of thinking didn’t mature he will grow up thinking that he is the center of the world and so he will be an attention seeking adult.
Narcissists are also attention seekers. They consider this attention a good source of narcissistic supply and so they strive to get it. If you ignored a narcissist he will definitely hate you especially if he was hoping to get some attention from you. So, there you have it.