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Related Concept Videos

Subliminal Perception01:15

Subliminal Perception

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Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
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Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
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Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
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Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
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Extrasensory perception, or ESP, suggests the ability to perceive events beyond the conventional senses of sight, hearing, and touch. Parapsychologists, who research ESP and related psychic phenomena, categorize ESP into three main types: precognition, telepathy, and clairvoyance.
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Farmers prevailing perception profiles regarding GM crops: A classification proposal.

Carla Almeida1, Luisa Massarani1

  • 1Oswaldo Cruz Foundation (Fiocruz), Brazil.

Public Understanding of Science (Bristol, England)
|April 5, 2018
PubMed
Summary
This summary is machine-generated.

Brazilian farmers hold diverse views on genetically modified organisms (GMOs), focusing on crop benefits, risks, and ethics. Their perspectives are crucial for the ongoing GMO debate.

Keywords:
GM foodfarmerspublic perception of biotechnologyscientific controversies

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Area of Science:

  • Agricultural Science
  • Biotechnology
  • Social Science

Background:

  • Genetically modified organisms (GMOs) are a subject of public controversy.
  • Consumer perceptions of GMOs are well-researched, but farmer perspectives remain understudied.

Purpose of the Study:

  • To investigate the perceptions of genetically modified organisms among Brazilian farmers.
  • To contribute farmer viewpoints to the broader GMO debate.

Main Methods:

  • Comparative analysis of data from Brazilian farmers and other studies.
  • Identification of key themes in farmer perceptions.

Main Results:

  • Farmer views on GMOs are complex and varied.
  • Perceptions are primarily shaped by expectations and experiences regarding GMO crop advantages, perceived risks, and ethical considerations.
  • Farmer views, despite diversity, fall within defined parameters.

Conclusions:

  • A classification of farmer profiles regarding GMO perceptions is proposed.
  • Understanding farmer perspectives is essential for informed discussions on agricultural biotechnology.