Hypomnesias is a technical term used in the field of psychology and psychiatry, and it refers to a partial or total loss of memory. There are several synonyms for hypomnesias that can be used interchangeably depending on the context, such as amnesia, forgetfulness, memory loss, mental blankness, and recall deficit. Amnesia is the most common term used to refer to the inability to remember past events or experiences. Forgetfulness is a milder form of hypomnesias that is characterized by the difficulty in retaining or recalling information. Memory loss refers to the loss of stored information in the brain, while mental blankness is the complete absence of memory. Recall deficit is the inability to retrieve previously learned information from memory.