Mahasi Sayadaw taught this style of meditation in which any object that arises in our experience can be the momentary focus of mindfulness, including breath, sensations, sounds, emotions, thoughts, and so on.
Meditation on presence of mind. Beginning of dhamma talks on Satipaṭṭhāna. Part 1: The Body. The meanings of Satipaṭṭhāna; explicitly means meditation. The four Satipaṭṭhāna meditations are body (kāyānupassī), feelings (vedanānupassī), mind (cittānupassī), principles (dhammānupassī). The body as something simple to ground oneself on. Mindfulness as "presence of mind", related to time, to keep on remembering and being conscious with firmness and steadiness.
