मस्तिष्क की कौन सी संरचना भूख और तृप्ति के नियमन में मुख्य भूमिका निभाती है?

Motivation that originates from within an individual and is driven by personal satisfaction, mastery, or the inherent pleasure of the activity itself is classified as ______.

Which of the following correct sequence represents the human sexual response cycle proposed by Masters and Johnson?