If you put a mouse in an environment where it receives electric shocks but is able to escape to a safe area or platform, they tend to cope OK. However if you put the same mouse in a situation where it is receiving electric shocks yet has no means of escape, soon the mouse starts exhibiting signs of depression! Post mortem tests on these rodents also show clearly reduce serotonin levels or changes in receptor density. The human equivalent is the dead end job, the abusive relationship or any other way a person can lose the sense that they are “in control”. Many therapists have observed the
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