How does Identity Theory account for mental causation?

Identity Theory, also known as the Mind-Brain Identity Theory, posits that mental states are identical to brain states. According to this theory, mental causation is accounted for by asserting that mental states are not separate entities from physical brain states, but rather they are one and the same. Therefore, mental states can causally interact with physical events in the brain and the external world.

Identity Theory argues that mental states, such as thoughts, desires, and emotions, are nothing more than specific patterns of neural activity in the brain. These neural patterns are responsible for generating mental experiences and behaviors. When a mental state causes a physical action, it is actually the corresponding neural activity in the brain that is causing the action.

For example, if someone desires to eat a piece of cake, according to Identity Theory, this desire is not a separate entity from the neural activity in their brain. Instead, the desire is identical to the specific pattern of neural firing that occurs in their brain. This neural activity then causes the person to physically reach for and consume the cake.

In summary, Identity Theory accounts for mental causation by asserting that mental states are identical to brain states. Mental causation occurs through the causal interaction of specific patterns of neural activity in the brain, which generate mental experiences and behaviors.