The phrase "subtle memory" is correct and usable in written English.
You can use it to describe a memory that is not obvious or easily remembered, but still felt in some way. For example, "She still carried a subtle memory of the experience, even years later."
Some of their injuries were mild, causing subtle memory deficits; others were severe and disabling.
A special focus of our research is on mild cognitive impairment (MCI), in which individuals demonstrate subtle memory loss that may be the earliest symptom of Alzheimer's disease but which is often difficult to distinguish from the aging process itself.
It has an extended preclinical phase characterized by sequential changes in imaging and cerebrospinal fluid biomarkers with subtle memory decline beginning more than a decade before the emergence of symptomatic memory loss heralding the beginning of the mild cognitive impairment stage.
Depressive symptoms, irritability and reduced awareness of subtle memory difficulties are also common.
Recent evidence suggest a role for APP in synaptic function and numerous data support a role for synaptic dysfunction underlying subtle memory changes in AD [41].
In the fall, subtle memory loss developed, and he fell twice a few weeks apart.
There are still subtle memories of the Great Depression and subsequent recessions that keep closely held businesses and individuals in the mindset of using cash to transact, rather than leveraging credit to make purchases.
As with Chatter in the enterprise, you develop a subtle institutional memory that lets you stage news, documents, chats, video, even email, in a socially adaptive priority stream.
In this study, we evaluated the effects of short-term EE in APPSw,Ind mice at 4 months, an age characterized by subtle spatial memory deficits and increased hippocampal levels of Aβ but prior to amyloid deposition [39], [42], [68].
Previous behavioral studies reported subtle working memory impairment in JME patients (Wandschneider et al., 2012).
This subtle working memory task requires executive control, initial phonological encoding, sub-vocal rehearsal of items that are actively remembered, but also attentional focus and shifting between previous items and the on-line task (mainly parietal posterior contribution).
