PS 101 Lecture Notes - Lecture 3: Stirrup, Semicircular Canals, Gyrus
12 Oct 2016
School
Department
Course
Professor
Document Summary
Peripheral nervous system: somatic, autonomic, sympathetic, and parasympathetic, somatic: touching, feeling, etc. Tuesday, september 27, 2016: autonomic: automatic bodily functions (ex: breathing, heart, sympathetic: heart rate up, adrenaline, ght or ight, parasympathetic: sleep and relaxation, calming down. Central nervous system: brain and spinal cord, peripheral nervous system sends message to spinal cord, which sends it to brain. !2: cerebral spinal uid (csf): buffer between the skull and the brain. Tuesday, september 27, 2016: four ventricles in the brain. Iris: determines color of the eye, expands and contracts to let certain amounts of light in. Tuesday, september 27, 2016: stroop effect: processing issue that slows us down, hearing. *absolute threshold: the smallest amount of something we can sense: we can hear between 20 and 20,000 hz, doctrine of speci c nerve energies: the idea that we require processing through the brain to recognize all 5 sense.
