CHAPTER XVIII.

MEMORY 287

What it is, 287. It involves both retention and recall, 289. Both elements explained by paths formed by habit in the brain, 290. Two conditions of a good memory, persistence and numerousness of paths, 292. Cramming, 295. One's native retentiveness is unchangeable, 296. Improvement of the memory, 298. Recognition, 299. Forgetting, 300. Pathological conditions, 301.