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Related Concept Videos

False Memories01:18

False Memories

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False memories represent a cognitive distortion in which individuals recall events that did not happen, or remember them in an altered form. This phenomenon highlights the brain's constructive nature in processing and recalling memories, emphasizing that memory is not a perfect representation of past events but rather a dynamic reconstruction influenced by various factors.
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Deception is a pervasive aspect of human communication. Empirical studies have shown that most individuals engage in some form of deceit on a daily basis, with approximately 20% of social exchanges involving deceptive elements. Lying follows a developmental trajectory, peaking during adolescence and declining with age, possibly due to the maturation of cognitive control and social accountability.Cognitive and Social Factors in Deception DetectionDespite its prevalence, accurately detecting...
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Eyewitness Memory01:22

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Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
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Related Experiment Video

Updated: Feb 25, 2026

An Experimental Analysis of Children's Ability to Provide a False Report about a Crime
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A Misleading Anamnesis: Learning To Suspect.

Claudio Guarneri1, Georgi Tchernev2, Uwe Wollina3

  • 1Universita degli Studi di Messina, Clinical and Experimental Medicine, Section of Dermatology, Messina 98122, Italy.

Open Access Macedonian Journal of Medical Sciences
|August 9, 2017
PubMed
Summary
This summary is machine-generated.

Leishmaniasis, a widespread opportunistic infection, can be caused by Leishmania infantum in Sicily. Physicians must suspect leishmaniasis in patients on immunosuppressive therapy due to potential diagnostic delays from atypical skin tumors.

Keywords:
Amelanotic melanomaBiopsyLeishmaniasisMalignant MelanomaPsoriasis

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Area of Science:

  • Infectious Diseases
  • Dermatology
  • Oncology

Background:

  • Leishmaniasis is a global opportunistic infection with visceral, mucocutaneous, and cutaneous forms.
  • Leishmania infantum is the primary cause of autochthonous leishmaniasis in Sicily, Italy.
  • Systemic antipsoriatic agents, including biologics, can increase susceptibility to opportunistic infections.

Observation:

  • Atypical skin tumors can mimic other conditions, delaying diagnosis and treatment.
  • Physicians require a high index of suspicion for opportunistic infections in patients on long-term immunosuppressive therapy.
  • This case highlights the diagnostic challenges posed by rare or atypical presentations.

Findings:

  • Leishmania infantum identified as the main agent of leishmaniasis in Sicily.
  • Potential for leishmaniasis to present atypically, resembling skin tumors.
  • Increased risk of opportunistic infections in patients using systemic antipsoriatic drugs.

Implications:

  • Emphasizes the importance of considering leishmaniasis in differential diagnoses, especially in endemic areas.
  • Highlights the need for vigilance in monitoring patients on immunosuppressive therapies for opportunistic infections.
  • Underscores the critical role of prompt diagnosis and treatment for leishmaniasis and co-occurring conditions.