Loud music has to be turned up much louder for us to notice the difference. When music is playing softly, we notice the difference if it is turned up just a little. This is an example of _____

Many altruistic acts are directed at strangers and are made anonymously

a. True b. False

Mr. Santiago, an 83-year old man, is admitted to a psychiatric hospital for severe depression and active suicidal ideation. His wife reports that he is mute and has remained in bed for the last four days

Which of the following treatments can potentially alter his mood the fastest? A) Administration of an SSRI. B) Administration of ECT C) Administration of an MAOI D) Administration of a TCA