UK Validation of the Automated "AcceXible" Speech Analysis Software

Inclusion Criteria for patients: * Adult patients 55+ years of age with suspected MCI or diagnosis of dementia referred into secondary care memory clinic by their General Practitioner. * Have English as first language (able to speak and understand verbal messages). * Patients must have agreed to participate in the study and have voluntarily signed the informed consent. Inclusion Criteria for healthy volunteers: * Healthy older adults (55+ years of age), without a diagnosis neurological, or psychiatric disorders or any clinical evidence of cognitive decline. * Have English as first language (able to speak and understand verbal messages). * Controls must have agreed to participate in the study and have voluntarily signed the informed consent. Exclusion Criteria for patients: * To have received a diagnosis of a significant psychiatric disorder or other cognitive impairment not due to neurodegeneration. * To have significant vision problems that would affect the ability to perceive visual stimuli. * To have significant hearing problems that would affect the ability to understand verbal cues. * To be unable to give informed consent to participate in the study. Exclusion Criteria for healthy volunteers: * Objective evidence of significant cognitive decline in any one domain. * Score of \<88 on ACE-III cognitive testing.