Compare the student text with the source. Source: Jessica Hamzelou, "Green Light Found to Ease the Pain of Migraine." Published in New Scientist, 2016:
While white, blue, red and amber light all increase migraine pain, low-intensity green light seems to reduce it. The team behind the finding hope that specially developed sunglasses that screen out all wavelengths of light except green could help migraineurs.
Student text:
According to Hamzelou, special sunglasses that remove all light except green may help reduce pain in people who suffer from migraine headaches.
Is the student text plagiarized?

is it not plagiarized
or yes because it fails to use quotation marks.