Glossary

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Agnosia

A neurological condition in which a person has difficulty recognising familiar objects, faces, places, sounds, or other sensory stimuli despite intact basic sensory function and general cognition. Specific subtypes include visual agnosia (difficulty recognising objects or…

Alexithymia

A subclinical condition in which a person has marked difficulty identifying, describing, and distinguishing their own emotions, often accompanied by an externally oriented thinking style and limited imagination about inner states. Alexithymia commonly co-occurs with autism,…

Amnesia(also: Memory Loss, Amnestic Disorder)

A neurological condition characterised by the partial or complete inability to recall past experiences (retrograde amnesia) or to form new memories (anterograde amnesia). Amnesia results from damage to brain structures responsible for memory processing, commonly caused by…

Anterograde Amnesia

A form of amnesia in which a person is unable to form new memories following the onset of the condition, while memories from before the injury or illness may remain largely intact. Anterograde amnesia typically results from damage to the hippocampus or surrounding medial…

Attention Tunneling(also: Visual Tunneling, Attentional Tunneling, Cognitive Tunneling)

A phenomenon in which a user concentrates so narrowly on a primary information source - typically a visual overlay, head-up display, or instrument - that they fail to notice relevant events, objects, or hazards in their surrounding environment. In augmented and mixed reality,…

Auditory Processing(also: Auditory Processing Disorder, Central Auditory Processing)

The brain ability to interpret and make sense of sounds, particularly speech. Auditory processing difficulties—which commonly co-occur with ADHD—can make it challenging to distinguish speech from background noise, process rapid speech, and maintain attention to spoken content.…

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