PSYCH 230 Study Guide - Midterm Guide: Posterior Parietal Cortex, Piriform Cortex, Premotor Cortex
Document Summary
Meninges: outermost layers surrounding the entire brain: 3 layers, dura mater ( tough mother , outermost, arachnoid (delicate, black because blood vessels spider web, pia mater ( soft mother , innermost) Planes of view: sagittal (sideways view, anterior/posterior = front/back, dorsal/ventral = top/bottom, coronal (front or back view, medial/lateral = middle/sides, horizontal (top or bottom view) Symmetry in the brain: mirror image: sides joined by corpus callosum (white band, axon tracks: myelinated axons (looks white in the brain, gray or orange matter: clumps of neurons. Bell-magendie law: dorsal nerves mostly sensory (afferent, ventral nerves mostly motor (efferent, this mostly applies to the whole brain as well. Hindbrain structures: cerebellum, movement control, memory, learning, emotion, raphe nucleus, source of serotonin, front, right down midline (raphe = seam, locus coeruleus, source of norepinephrine, back, lateralized (left version and right version, blue spot . Brodman system: numbered areas in brain (numbers assigned to functions, not used anymore.
