The loss of control over drug intake that occurs in addiction was initially believed to result
from disruption of subcortical reward circuits. However, imaging studies in addictive …

A major challenge in understanding substance-use disorders lies in uncovering why some
individuals become addicted when exposed to drugs, whereas others do not. Although …

The cerebral blood volume (CBV) is a crucial physiological indicator of tissue viability and
vascular reactivity. Thus, noninvasive CBV mapping has been of great interest. For this …

The technique of functional magnetic resonance (fMRI), using various cognitive, motor and
sensory stimuli has led to a revolution in the ability to map brain function. Drugs can also be …

The retinotopic organization of macaque occipitotemporal cortex rostral to area V4 and
caudorostral to the recently described middle temporal (MT) cluster of the monkey is not well …

In the jungle, survival is highly correlated with the ability to detect and distinguish between
an approaching predator and a putative prey. From an ecological perspective, a predator …

Face perception is crucial to survival among social primates. It has been suggested that a
group of extrastriate cortical regions responding more strongly to faces than to nonface …

Summary Monkey electrophysiology [1, 2] suggests that the activity of the ventral tegmental
area (VTA) helps regulate reinforcement learning and motivated behavior, in part by …

Cocaine-induced stroke is among the most serious medical complications associated with
its abuse. However, the extent to which acute cocaine may induce silent microischemia …

The parietal cortex is highly multimodal and plays a key role in the processing of objects and
actions in space, both in human and nonhuman primates. Despite the accumulated …