7. Inappropriate Behavior

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Inappropriate behavior in sexual connotation and also silly and childlike behavior is noticed by people in the early stage of dementia. They may get flirty or take their clothes off in public and start doing inappropriate things. Also, criminal behavior is very common sign that you may have this disease. Shoplifting, speed driving and other violations of the law may indicate on early dementia. The disease attacks the part of the brain that recognizes and follows the rules and that is why this behavior occurs. This sign is without difficulty recognized by the family, as well as by the affected person.