Damage to one small brain region causes loss of speech but leaves hearing unchanged. Which evidence would most directly help locate the region responsible for producing speech?
Compare body temperatures and sweat rates from several patients while they read silently.
Compare breathing rates and pulse rates from several patients while they listen to speech.
Compare reaction times and pupil diameters from several patients before they hear a sound.
Compare MRI scans and symptoms from several patients with damage in different regions.
40 exam-style questions on AQA GCSE Biology 5.2 The human nervous system, covering 5.2.1 Structure and function, 5.2.2 The brain, 5.2.3 The eye, and 5.2.4 Control of body temperature. Each one has a worked solution and a mark scheme showing where the marks go.