आंतरिक अभिप्रेरणा (Intrinsic motivation) को सबसे अच्छी तरह से उस प्रेरणा के रूप में वर्णित किया गया है जो उत्पन्न होती 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?