<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the main focus of cognitive psychology? Context: Cognitive psychology primarily focuses on studying internal mental processes such as perception, memory, thinking, and problem-solving. Answer: [/INST]The main focus of cognitive psychology is understanding internal mental processes, such as perception, memory, thinking, and problem-solving.</s>