Rapid Head Movements in Common Marmoset Monkeys

Swarnima Pandey, Sravanthi Simhadri, Yi Zhou

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Gaze shifts, the directing of the eyes to an approaching predator, preferred food source, or potential mate, have universal biological significance for the survival of a species. Our knowledge of gaze behavior is based primarily on visually triggered responses, whereas head orientation triggered by auditory stimuli remains poorly characterized. Common marmoset (Callithrix jacchus) is a diurnal, small-bodied (∼350 g), New World monkey species, known for its rich behavioral repertoires during social interactions. We used a lightweight head tracking system to measure marmosets' reflexive head orientations toward a natural stimulus presented from behind. We found that marmoset could rotate its head at angular velocities above 1,000°/s and maintained target accuracy for a wide range of rotation amplitudes (up to 250°). This unusual, saccadic head orienting behavior offers opportunities for understanding the many biological factors that have shaped the evolution of sensorimotor controls of gaze orientation by the primate brain.

Original languageEnglish (US)
Article number100837
Issue number2
StatePublished - Feb 21 2020


  • Behavioral Neuroscience
  • Biological Sciences
  • Neuroscience
  • Sensory Neuroscience

ASJC Scopus subject areas

  • General


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