FRONTAL RELEASE SIGNS By N., Sam M.S. - 3 The appearance in adults with frontal lobe lesions of certain primitive reflexes normally present only infants and disappear in the first few months of life. These reflexes include the grasp and sucking reflexes. FRONTAL RELEASE SIGNS: "Frontal release signs are seen in adults." Related Psychology Terms CEREBRAL CORTEX NEWBORN INFANT (Neonate) ADOLESCENCE (Theories) REGRESSION BIRTH ADJUSTMENTS ORAL CHARACTER BRAIN TUMOR DISORDERS JUNG, CARL GUSTAV (1875-1961) FRANZ, SHEPHERD IVORY CHILD PSYCHIATRY Cite this page: N., Sam M.S., "FRONTAL RELEASE SIGNS," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/frontal-release-signs/ (accessed December 2, 2021).