Professor Alexander explained to me, the idea of addiction we've all got in our heads, that story, comes partly from a series of experiments that were done earlier in the 20th century.
daļēji nāk no virknes eksperimentu, kas veikti agrāk 20. gadsimtā. Tie bija gaužām vienkārši. Jūs tos varat veikt šovakar mājās, ja jūtaties mazliet sadistiski.