arecoline, 96
aroma, 138
artificial intelligence, 254,275
asparagusic acid, 143
“asparagus pee” smell, 143
aspartame, 151
aspartic acid, 90
astrocyte glial cell, 8f
atoms, 20, 22-23
Atropa belladonna, 92-95
atropine, 77,92-95, 103,112
auditory vesicle, human embryo, 118f
Australopithecus, 3, 4
autonomic nervous system, 73-74
Avery, Oswald, 42-43
axon, 18f, 57f, 119f
axon hillock, 57, 58f, 67, 68f
ayahuasca, 112
bacteria, 42, 125-26
bacteriophage virus, 42, 43f
balance, sensory perception, 128-29
Banisteriopsis caapi, 112
barbiturates, 102
basal forebrain nuclei, 78f
batrachotoxins (BTXs), 90-91
BDNF (brain-derived neurotrophic factor), 122
Bell, Alexander Graham, 183
benzene, 26
benzocaine, 91
benzodiazepines, 102-3, 223-24
benzyl acetate, 141
Berger, Hans, 202-3, 262