When a suicide sometimes results in other suicide attempts among adolescents in a community?

When a suicide sometimes results in other suicide attempts among adolescents in a community, it is known as cluster effect.
This is because adolescents often do what they see other people do. So if a person tries something new, other adolescents are likely to try that as well. Unfortunately, this also applies to suicide, as adolescents are very impressionable and emotional. 

Apart of the parietal lobe