Complex sentence: Isolation may itself be considered to be abuse or intended as punishment--see silent treatment, ostracism, social rejection, shunning, social exclusion, blacklisting, solitary confinement and sensory deprivation.
Split into simpler sentences: Isolation may itself be considered to be abuse or intended as punishment. See silent treatment, ostracism, social rejection, shunning, social exclusion, blacklisting, solitary confinement and sensory deprivation.