system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Sleep waves in the hippocampal area are -
assistant
The correct answer is  Alpha rhythm → Parietal and occipital lobe.
Beta rhythm→ Frontal lobe
Theta rhythm  → Hippocampus (in non-human mammals), cortex (in human).