macropsiamagical thinkingmagnetic resonance imagingmajor depressive disordermaniamanic episodemanifest contentmannerismmaturasionmeanmeasure of central tendencymeasures of variabilitymedianmeditationmedullamemorymenarchemental agemental retardationmeta analysismetamemorymicropsiamnemonics devicemodemoodmood disordersmoralitymotivationmotor cortexmotor neuronsmutism