Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- PTSD(also: Post-traumatic stress disorder, Post-traumatic stress)
- A psychiatric condition that can develop after exposure to traumatic events, characterized by intrusive memories, avoidance of trauma-related stimuli, negative changes in mood and cognition, and heightened arousal responses including hypervigilance and exaggerated startle. In…
- Passive Sensing(also: Passive Monitoring, Ambient Sensing)
- The collection of behavioral and physiological data through sensors without requiring active user input. In mental health contexts, passive sensing uses smartphone sensors (GPS, accelerometer, microphone), wearable devices (heart rate monitors, electrodermal activity sensors),…
- Perinatal depression(also: PND, Perinatal mood disorder)
- Perinatal depression (PND) refers to major depressive episodes that occur during pregnancy (antenatal depression) or in the weeks following childbirth (postpartum depression). It affects up to 10% of individuals during the perinatal period and carries significant societal costs,…
- Personality Test(also: Personality Inventory, Personality Assessment)
- A psychometric instrument that attempts to quantify traits such as conscientiousness, extraversion, emotional stability, or risk tolerance. Personality tests were introduced in industry during and after World War I to screen for "maladjusted" workers, and are now the most…
- Positive Computing(also: Positive Technology)
- A design approach articulated by Rafael Calvo and Dorian Peters (2014) and extended by Riva, Gaggioli and colleagues that intentionally orients information and communication technology toward supporting psychological wellbeing, human flourishing, and positive emotion — rather…
- Post-Traumatic Stress Disorder(also: PTSD)
- A mental health condition that can develop after experiencing or witnessing a traumatic event such as violence, natural disaster, serious accident, or combat. Symptoms include intrusive memories or flashbacks, avoidance of trauma-related stimuli, negative changes in thinking and…
- Postpartum depression(also: Postnatal depression, PPD)
- Postpartum depression (PPD) is a form of clinical depression occurring after childbirth, typically within the first four to six weeks postpartum but potentially developing up to a year after delivery. It is distinguished from the brief "baby blues"—mild mood changes affecting up…
- Psychoeducation
- The process of providing education about a mental health condition, its symptoms, treatment options, and management strategies to individuals with the condition and their support networks. For OCD, psychoeducation helps people understand the nature of obsessions and compulsions,…
- Psychosocial Disability(also: Psychosocial Impairment)
- A disability that stems from diverse mental, cognitive, or emotional experiences that lead to impairment and experienced barriers in social participation. Psychosocial disabilities include conditions such as ADHD, anxiety, depression, bipolar disorder, and other mental health…
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