DeepDyve eBooks - A Dictionary of Hallucinations

Chapter 1A

Blom, Jan Dirk

Pages: 1 –57

[Also known as visceral aura and epigastric aura. The term abdominal aura is indebted to the Latin words abdomen (belly) and aura (wind, smell). It is used to denote a type of *somatosensory or * somaesthetic aura that typically manifests itself as a rising epigastric sensation. Other...

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Chapter 2B

Blom, Jan Dirk

Pages: 59 –80

[Backward masking is also known as backwards masking and backmasking. All three terms are used in the popular music industry to denote a recording technique in which an auditory message is encrypted by recording it in reverse order onto a track. As a consequence, the encrypted message can only be...

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Chapter 3C

Blom, Jan Dirk

Pages: 81 –123

[The term cacogeusia comes from the Greek adjective kakos (bad, unpleasant) and the Latin noun gustum (taste). It translates as ‘bad taste’. It is used to denote a *gustatory hallucination or illusion presenting in the form of an unpleasant taste. Cacogeusia is often associated with – and...

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Chapter 4D

Blom, Jan Dirk

Pages: 125 –164

[Daltonism is also known as *deuteranopia, deutan colour blindness, and deutan colour deficiency. All four terms are used to denote a *colour vision deficiency of the green–red type. The eponym Daltonism refers to the British chemist and physicist John Dalton (1766–1844), who in 1794 published an...

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Chapter 5E

Blom, Jan Dirk

Pages: 165 –185

[A term introduced in or shortly before 1951 by the American neurologist Caro W. Lippman (1886–1954) to denote a shaking sensation or shock movement which suggests that the bed – or the entire room – is shaking violently. This *kinaesthetic hallucination tends to occur during the period of...

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Chapter 6F

Blom, Jan Dirk

Pages: 187 –203

[Also known as face hallucination. Both terms are used to denote a *complex visual hallucination depicting one or more faces of humans, humanoid beings, animals, or fantasy creatures. The hallucinated faces may be realistic, but may also have a cartoonesque appearance or display distorted...

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Chapter 7G

Blom, Jan Dirk

Pages: 205 –214

[In 1883 the British scientist Sir Francis Galton (1822–1911) defined hallucinations and illusions as follows: “Hallucinations are defined as appearances wholly due to fancy; illusions, as fanciful perceptions of objects actually seen.”]

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Chapter 8H

Blom, Jan Dirk

Pages: 215 –259

[Also known as hafgerdingar effect. Hafgerdingar is Norse for ‘sea hedges’ or ‘sea fences’. The term denotes a circular *physical illusion depicting a giant wave similar to those occasionally reported in Polar sea regions. The term hafgerdingar stems from a 13th-century manuscript called the...

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Chapter 9I

Blom, Jan Dirk

Pages: 261 –287

[Also known as violet vision and purple vision. The term ianothinopsia comes from the Greek words ianthinos (violet) and opsis (seeing). It is used to denote a *chromatopsia (i.e. a temporary aberration of colour vision) in which whites are seen as purplish or violet. Ianothinopsia tends to be...

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Chapter 10J

Blom, Jan Dirk

Pages: 289 –293

[The eponym Jackson’s law refers to the British neurologist John Hughlings-Jackson (1835–1911). It involves the notion that a loss of mental functions due to disease retraces in reverse order the evolutio nary development of the brain. Jackson hypothesizes that the loss of ‘higher’ cerebral...

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A Dictionary of Hallucinations

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A Dictionary of Hallucinations

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