One fundamental question concerning brain reward mechanisms is to determine how
reward-related activity is influenced by the nature of rewards. Here, we review the neuroimaging …

The authors present a method of time-series spectral analysis which is especially useful for
unequally spaced data. Based on a complex, one-dimensional version of the CLEAN …

In the course of evolution, social dominance has been a strong force shaping the organization
of social systems in many species. Individuals with a better ability to represent social …

There is considerable evidence from animal studies that the mesolimbic and mesocortical
dopamine systems are sensitive to circulating gonadal steroid hormones. Less is known about …

… We find that the fields vary from about 65 j~G at … This limit also applies to the counter
jet seen at 5 GHz (Dreher … field curvature observed in the lobes of Cygnus A (Dreher et al. …

Decision making consists of choosing among available options on the basis of a valuation of
their potential costs and benefits. Most theoretical models of decision making in behavioral …

Social neuroscience is an emerging interdisciplinary field that combines tools from cognitive,
cellular, and molecular neuroscience to understand the neural mechanisms underlying …

In humans, dopamine neurotransmission is influenced by functional polymorphisms in the
dopamine transporter (DAT1) and catechol-O-methyltransferase (COMT) genes. Here, we …

To ensure their survival, animals exhibit a number of reward-directed behaviors, such as
foraging for food or searching for mates. This suggests that a core set of brain regions may be …

… JW DREHER … appearance to some of the features seen in Hercules A (Dreher … and
Wardle 1980; Wardle and Potash 1982; Dreher 1982) and …