Psychological altruism is contrasted with psychological egoism, which refers to the motivation to increase one's welfare.
saɪkəlˈɑːdʒɪkəl ˈɔːltɹuːˌɪzəm ɪz kəntɹˈæstᵻd wɪð saɪkəlˈɑːdʒɪkəl ˈiːɡoʊˌɪzəm, wˌɪtʃ ɹᵻfˈɜːz tə ðə mˌoʊɾɪvˈeɪʃən tʊ ɪŋkɹˈiːs wˈʌnz wˈɛlfɛɹ.