This study investigates the role of top-down processing in visual object recognition, proposing that low spatial frequency (LSF) information initiates top-down processes from the orbitofrontal cortex (OFC) to visual cortex. Using magnetoencephalography (MEG), functional magnetic resonance imaging (fMRI), and a behavioral task, the researchers found that differential activity in the left OFC occurred 50 ms earlier than in recognition-related areas in the temporal cortex. This early OFC activity was directly modulated by the presence of LSF in the image. The results support the model that top-down facilitation in object recognition is initiated by LSF information, which is projected from early visual areas to the OFC via the dorsal magnocellular pathway. This projection activates predictions about the input image, which are then integrated with bottom-up analysis to facilitate recognition. The study also shows that LSF and high spatial frequency (HSF) images elicit different activation patterns in the OFC, with LSF images eliciting significantly higher fMRI signals. The findings suggest that the OFC plays a critical role in object recognition by providing top-down predictions based on LSF information, which helps in the rapid identification of objects. The results highlight the importance of top-down processing in visual recognition and provide insights into the neural mechanisms underlying this process.This study investigates the role of top-down processing in visual object recognition, proposing that low spatial frequency (LSF) information initiates top-down processes from the orbitofrontal cortex (OFC) to visual cortex. Using magnetoencephalography (MEG), functional magnetic resonance imaging (fMRI), and a behavioral task, the researchers found that differential activity in the left OFC occurred 50 ms earlier than in recognition-related areas in the temporal cortex. This early OFC activity was directly modulated by the presence of LSF in the image. The results support the model that top-down facilitation in object recognition is initiated by LSF information, which is projected from early visual areas to the OFC via the dorsal magnocellular pathway. This projection activates predictions about the input image, which are then integrated with bottom-up analysis to facilitate recognition. The study also shows that LSF and high spatial frequency (HSF) images elicit different activation patterns in the OFC, with LSF images eliciting significantly higher fMRI signals. The findings suggest that the OFC plays a critical role in object recognition by providing top-down predictions based on LSF information, which helps in the rapid identification of objects. The results highlight the importance of top-down processing in visual recognition and provide insights into the neural mechanisms underlying this process.