Inference About Max's Behavior During a Storm

During a thunderstorm, Maria observed her dog, Max, hiding under the bed. Despite the loud claps of thunder and flashes of lightning, she noticed that Max’s ears perked up each time she called his name, although he did not leave his hiding spot. After the storm passed, Maria brought Max outside, where he eagerly chased after a squirrel, seemingly forgetting his fears from earlier.

Based on this scenario, what can be inferred about Max's behavior during the thunderstorm?