NEUR200 Brain Anatomy

temporal lobe (coronal view)

insula

circled in red, next to STG

superior temporal gyrus (STG)

dark blue area

middle temporal gyrus (MTG)

orange area

inferior temporal gyrus (ITG)

purple area

fusiform gyrus (FG)

green area

parahippocampal gyrus (PHG)

light blue area

hippocampus (HIPP)

yellow area

ventral ("what") auditory pathway

starts in A1 -> ends in superior temporal gyrus (STG)

ventral ("what") visual pathway

starts in V1 -> ends in inferior temporal gyrus (ITG)

dorsal ("where") pathway

starts in A1 -> ends in posterior temporal cortex and parietal cortex

A1 vs. V1

A1 = primary auditory cortex

V1 = primary visual auditory cortex

somatosensory cortex

primary motor cortex (M1 - anterior-central gyrus in the picture)

anterior cingulate cortex

orbitofrontal cortex (OFC)

- one of the functional parts of the prefrontal cortex, sometimes called ventromedial

dorsolateral prefrontal cortex (DLPFC)

- one of the functional parts of the prefrontal cortex (scribbled out area)

hypothalamus

- part of the diencephalon

thalamus

- part of the diencephalon

Mesocortical Pathway

VTA ←> PFC

Mesolimbic Pathway

VTA ←> NAc

Nigrostriatal Pathway

SN ←> Bg-S

Substantia Nigra

Nucleus Accumbens

Fusiform Gyrus

Inferior Temporal Gyrus