Talvez deva tentar algumas variações de ortografia:
during depressed » during depressive (Expandir a busca), during repressive (Expandir a busca), feeling depressed (Expandir a busca)
depressed signal » depressed suicidal (Expandir a busca), derived signal (Expandir a busca), depressed skull (Expandir a busca)
decrease during » increase during (Expandir a busca), increases during (Expandir a busca), increased during (Expandir a busca)
decrease rate » decreased rate (Expandir a busca), decreases rate (Expandir a busca), decrease at (Expandir a busca)
rate decrease » rats decreases (Expandir a busca), rate increase (Expandir a busca), to decrease (Expandir a busca)
decrease on » decrease in (Expandir a busca), decrease of (Expandir a busca), decrease or (Expandir a busca)
on decrease » on decreased (Expandir a busca), of decrease (Expandir a busca), or decrease (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease during depressed signal processing ) OR ( decrease rate decrease on decrease ))~.