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Related Concept Videos

Classical Conditioning01:18

Classical Conditioning

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Associative learning, a core principle in behavioral psychology, involves forming connections between events and facilitating learned responses. This concept is vividly illustrated by classical conditioning, a process extensively studied by the Russian physiologist Ivan Pavlov. Pavlov's pioneering research on dogs' digestive systems led to the discovery that behaviors can be learned through association, laying the groundwork for classical conditioning.
Ivan Pavlov observed that dogs...
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Principles of Classical Conditioning01:23

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Classical conditioning, as described by Ivan Pavlov, is a foundational concept in associative learning, where a neutral stimulus becomes capable of eliciting a conditioned response through association with an unconditioned stimulus. The process of acquisition, where this learning occurs, and the subsequent phenomena of contiguity, contingency, generalization, discrimination, extinction, and spontaneous recovery are crucial for a comprehensive understanding of classical conditioning.
During the...
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Classical Conditioning in Daily Life01:17

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Classical conditioning, a fundamental principle of associative learning, explains various phenomena observed in daily life, such as fear development, the placebo effect, taste aversion, and drug habituation. These applications demonstrate the profound impact of associative learning on human behavior and physiological responses.
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Real-World Application of Classical Conditioning01:15

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Classical conditioning not only includes the initial pairing of stimuli but also extends to more complex forms, such as higher-order conditioning. Higher-order conditioning involves creating associations beyond the primary conditioned stimulus, resulting in a chain of conditioned responses.
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Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

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Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
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Pedigree Analysis01:35

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Related Experiment Video

Updated: Feb 7, 2026

Classical Short-Delay Eyeblink Conditioning in One-Year-Old Children
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Classical Short-Delay Eyeblink Conditioning in One-Year-Old Children

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Spigelian hernia in children: low versus classical.

Mamta Sengar1, Anup Mohta1, Sujoy Neogi2

  • 1Department of Pediatric Surgery, Chacha Nehru BalChikitsalaya, Geeta Colony, Delhi 110031, India.

Journal of Pediatric Surgery
|July 19, 2018
PubMed
Summary

Pediatric spigelian hernias are rare and often misdiagnosed. Anatomical variations exist, particularly in cases with undescended testes (UDT), influencing surgical approaches for correct testicular placement.

Keywords:
CryptorchidismLowPediatricSpigelian hernia

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Area of Science:

  • Pediatric Surgery
  • Anatomical Studies

Background:

  • Spigelian hernias (SH) in children are exceptionally rare.
  • These hernias are frequently overlooked or misdiagnosed due to their subtle presentation.

Purpose of the Study:

  • To analyze the anatomical variations of pediatric spigelian hernias.
  • To compare SH anatomy in patients with and without cryptorchidism (undescended testes).

Main Methods:

  • Prospective observational study over seven years.
  • Case series analysis of nine pediatric patients presenting with spigelian hernias.
  • Detailed anatomical description and comparison based on associated conditions.

Main Results:

  • Nine cases of pediatric spigelian hernia were identified (Male:Female ratio 3:1).
  • Right-sided hernias were more common.
  • Three patients had associated cryptorchidism, all presenting with low spigelian hernias; one had a lumbar hernia.

Conclusions:

  • Significant anatomical variations in spigelian hernias are associated with cryptorchidism.
  • Understanding these anatomical differences is crucial for successful surgical management, including accurate testicular positioning.