Chronic hypoxia leads to cognitive impairment by promoting HIF 2 mediated ceramide catabolism and alpha synuclein hyperphosphorylation Cell Death Discovery Dihexa Peptide Therapy Memory & Cognition Beverly Hills Intra scale interaction and cross scale fusion network for detecting the progression of neurodegeneration in Alzheimer's disease Scientific Reports Intra scale interaction and cross scale fusion network for detecting the progression of neurodegeneration in Alzheimer's disease Scientific Reports Dihexa