Emotion plays a crucial role, both in general human experience and in psychiatric illnesses.
Despite the importance of emotion, the relative lack of objective methodologies to …

Goal-directed social behaviours such as mating and fighting are associated with scalable
and persistent internal states of emotion, motivation, arousal or drive. How those internal …

How brains are hardwired to produce aggressive behavior, and how aggression circuits are
related to those that mediate courtship, is not well understood. A large-scale screen for …

Carboxylic acids are present in many foods, being especially abundant in fruits. Yet,
relatively little is known about how acids are detected by gustatory systems and whether …

Living in a group creates a complex and dynamic environment in which behavior of
individuals is influenced by and affects the behavior of others. Although social interaction …

Animals are born with a rich repertoire of robust behaviors that are critical for their survival.
However, innate behaviors are also highly adaptable to an animal's internal state and …

Diffuse neuromodulatory systems such as norepinephrine (NE) control brain-wide states
such as arousal, but whether they control complex social behaviors more specifically is not …

The biogenic monoamine octopamine (OA) is a crucial regulator of invertebrate physiology
and behavior. Since its discovery in the 1950s in octopus salivary glands, OA has been …

Nutrient deprivation can lead to dramatic changes in feeding behavior, including acceptance
of foods that are normally rejected. In flies, this behavioral shift depends in part on reciprocal …

Highlights•Drosophila engage in a complex repertoire of aggressive behaviors.•Sensory
cues from conspecific competitors, potential mates and food resources drive aggression in …