Which type of over-excitability is demonstrated in Phoebe's belief about her mother being reincarnated as her cat?

The belief that Phoebe has about her mother being reincarnated as her cat is best described by imaginational over-excitability. This type of over-excitability involves a heightened ability to create and explore imaginative scenarios and ideas beyond realistic constraints. Individuals with imaginational over-excitability often engage in fantastical thinking, showing a propensity for vivid daydreaming and original thought processes.

Phoebe's belief taps into a creative use of imagination, allowing her to connect her mother to the concept of reincarnation in a way that reflects a thoughtful and imaginative interpretation of her experiences and emotions. This characteristic aligns closely with the traits of those exhibiting imaginational over-excitability, which often leads to unique and sometimes unconventional viewpoints about reality.