BRAIN GROWTH AND COGNITIVE DEVELOPMENT          2 
  A personality disorder encompasses a sort of mental ailment in which an individual has 
an inflexible and unhealthy sample of wondering, functioning and behaving. Someone with a 
personality disorder has a problem perceiving and referring to conditions and people. The disease 
develops and worsens as one grows old. This causes enormous issues and barriers in 
relationships, social activities, paintings and school. There are several types of personality 
disorders including paranoid personality disorder, antisocial personality disorder narcissistic 
personality disorder and avoidant personality disorder among several other diseases (Carr & 
Francis, 2010).  
  According to Huppert et al. (2008), in a study concerning personality disorders, avoidant 
personality disorder (APD) involves an internal and measurable, consistent personality condition. 
Just like any other personality disorder, the avoidant personality disorder is packed with not only 
the state but also trait personality components in which the disease causes morbidity by 
tempering with social interactions with potential effects to a common parameter such as 
marriage, dating, and relationships. Additionally, several factors contribute to the development 
of this condition. One of the causes of avoidant personality disorder roots from heritability 
among families with avoidant disorder history (Skodol et al. 2011). Other studies indicate that 
the predicament results from traumatic experiences during the earlier stages of human life. 
Despite the fact that avoidant disorder is challenging to treat, victims can seek remedy for this 
condition in psychotherapy and counseling processes. 
  In conclusion, personality disorders involve mental conditions that affect the healthy 
behaviors of an individual. They occur in a wide range of different effects and symptoms that are 
expressed by victims. However, all these conditions change the brain. Avoidant personality