Phenomenal consciousness refers to the subjective, qualitative aspect of conscious experience, such as the taste of coffee, the smell of a rose, or the feeling of pain.

Thomas Nagel is known for his work on qualia, particularly his famous thought experiment, 'What is it like to be a bat?'

Access consciousness refers to the ability to report or verbally describe one's own conscious experiences, allowing for communication and introspection.

Daniel Dennett is known for his critique of phenomenal consciousness, arguing that it is an illusion and that all mental states can be explained in terms of physical processes.

Self-consciousness refers to the ability to reflect on one's own thoughts, feelings, and mental states, allowing for introspection and self-awareness.

David Chalmers is known for his work on philosophical zombies, which he uses to argue that phenomenal consciousness is not reducible to physical processes.

Metacognition refers to the ability to think about one's own thinking, allowing for self-reflection and the monitoring of one's own cognitive processes.

David Chalmers is known for his defense of the idea that phenomenal consciousness is a fundamental property of the universe, irreducible to physical processes.

Free will refers to the ability to consciously control one's own thoughts and actions, allowing for moral responsibility and decision-making.

Daniel Dennett is known for his theory of consciousness as an emergent property of complex neural processes, arguing that phenomenal consciousness can be explained in terms of brain activity.

Subjectivity refers to the ability to experience the world from a subjective, first-person perspective, allowing for unique and personal experiences.

John Searle is known for his theory of consciousness as a product of language and social interaction, arguing that phenomenal consciousness cannot be understood outside of a cultural context.

Introspection refers to the ability to consciously reflect on one's own mental states and experiences, allowing for self-awareness and self-understanding.

Daniel Dennett is known for his theory of consciousness as a higher-order representation of one's own mental states, arguing that phenomenal consciousness can be explained in terms of cognitive processes.

Perception refers to the ability to consciously experience the world around us through our senses, allowing us to interact with and navigate our environment.