Georgeann Sack Georgeann Sack
Georgeann Sack Georgeann Sack

The path to happiness is complicated: Dopamine circuitry in the brain

The neurotransmitter dopamine has long been recognized for its role in regulating mood and motivated behaviors. On the other side of the coin, maladaptive dopamine circuitry has been implicated in... read more →
  • January 30, 2018
  • Scientific discovery

The sensory code: Shape and texture discrimination in the cortex

One major open question in neuroscience is “How is sensory experience encoded by neurons in the brain?” Despite decades of research on this topic, our understanding of sensory encoding is... read more →
  • January 25, 2018
  • Scientific discovery

Decoding hidden mental processes: Decision making

Decision making is an internal process that is not time locked to observable sensory inputs or behavioral outputs. This makes the neural processes underlying decision making difficult to investigate. In... read more →
  • September 22, 2016
  • Scientific discovery, Scientist profile

Light-activated antagonists for the GABA A receptor family

A comprehensive toolkit to advance the study of inhibition on the cellular, circuit, and organismal level The precise excitatory signaling of the nervous system would be impossible without inhibition. Inhibition... read more →
  • February 16, 2016
  • Scientific discovery

Insatiable Insects: Identification of four neurons that act as feeding switches in the brain

It is possible to eat until your stomach bursts open, but most people will never come close to this horror. Feeling like your stomach might burst, for example after gorging... read more →
  • July 3, 2014
  • Scientific discovery
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About

Georgeann Sack, PhD, is a neuroscientist, author, and founder of Awake & Alive Mind, a publication on the science of consciousness.
Copyright © 2021 Georgeann Sack (Afferent, LLC); all rights reserved. Design and image attributions.