Synaptic Plasticity

Group leader

Professor Pankaj Sah

Professorial Research Fellow
 
 
  +61 7 334 66311
  Pankaj Sah
  pankaj.sah@uq.edu.au
 

Research overview

The Sah lab investigates the neural basis of learning and memory, with a focus on synaptic plasticity. This fundamental mechanism enables the brain to adapt, store information, and shape behaviour.

Mapping Brain Circuits

Using a multidisciplinary approach, the lab combines electrophysiology, molecular neuroscience, behavioural models, and optogenetics to study how neural circuits function during learning. A key focus is the amygdala, a brain region critical for emotional and associative memory. The team examines how the amygdala interacts with the prefrontal cortex and hippocampus to process sensory and emotionally significant information, particularly through fear conditioning models.

The lab's approach extends from fundamental circuit discovery to real-world clinical application. By identifying how neural pathways encode and retrieve memories, the research provides insight into the biological basis of behaviour.

This work is complemented by human electrophysiology studies, conducted during deep brain stimulation (DBS) procedures in collaboration with clinical partners. These studies reveal how brain activity is altered in conditions such as Parkinson’s disease, Tourette syndrome, and obsessive-compulsive disorder (OCD). Through this integrated program, the Sah lab advances understanding of brain function, memory, and behaviour, supports the development of neuromodulation therapies, and contributes to broader applications in mental health and the science of learning.

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