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Related Concept Videos

Visual Agnosia01:12

Visual Agnosia

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Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
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Dissociative Amnesia01:21

Dissociative Amnesia

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Dissociative amnesia is a complex psychological condition that manifests as an inability to recall personal information, often tied to traumatic or stressful events. Unlike general amnesia, individuals with this condition retain the ability to perform routine activities and procedural tasks, such as operating a phone or navigating public transportation, yet experience profound gaps in autobiographical memory. These lapses may encompass significant life events, such as suicide attempts or...
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Dissociative Identity Disorder01:30

Dissociative Identity Disorder

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Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
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Dissociative Disorders01:27

Dissociative Disorders

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Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
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Language and Cognition01:27

Language and Cognition

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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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Prosopagnosia01:24

Prosopagnosia

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Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
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Defining and 'diagnosing' aphantasia: Condition or individual difference?

Andrea Blomkvist1, David F Marks2

  • 1Centre for Philosophy of Natural and Social Sciences, Department of Philosophy, Logic and Scientific Method, London School of Economics and Political Science, Houghton Street, London WC2A 2AE, UK.

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
|November 10, 2023
PubMed
Summary
This summary is machine-generated.

Aphantasia research faces challenges due to inconsistent definitions and reliance on the Vividness of Visual Imagery Questionnaire (VVIQ). New diagnostic tools are needed to accurately study this difference in visual imagery.

Keywords:
AphantasiaDiagnosisIndividual differencesLow-imageryMental imageryMethodologyNo-imageryVVIQVisual imageryVividness

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Psychometrics

Background:

  • Aphantasia, the absence of voluntary visual imagery, is increasingly self-diagnosed.
  • Current research lacks consensus on defining aphantasia as a condition.
  • The Vividness of Visual Imagery Questionnaire (VVIQ) is the primary tool for 'diagnosing' aphantasia.

Conclusions:

  • Aphantasia research requires clearer definitions and a robust classification framework.
  • The VVIQ is an inadequate tool for diagnosing aphantasia.
  • Development of a new, validated psychometric measure for aphantasia is essential.