Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Position-effect Variegation02:32

Position-effect Variegation

7.2K
In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.
7.2K
Visual Agnosia01:12

Visual Agnosia

1.4K
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...
1.4K
Mutations01:39

Mutations

95.0K
Overview
95.0K
Mutations01:35

Mutations

44.8K
Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
44.8K
Genetic Lingo01:11

Genetic Lingo

116.1K
Overview
116.1K
Prosopagnosia01:24

Prosopagnosia

984
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...
984

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Utilization of the totally synthesized structural analogues of Ochratoxin A in online monitoring of immunoaffinity columns capacity.

Analytica chimica acta·2026
Same author

The climate drivers of northeast cold vortex during spring sowing period in the Songnen River Basin.

Scientific reports·2026
Same author

40-Hz transauricular vagal nerve stimulation rescues cognition of 9-month-old APP/PS1 mice via inhibiting hippocampal P2X7 receptor signaling.

Frontiers in aging neuroscience·2026
Same author

Education Expands the Gender Gap in Blood Pressure in China: Evidence from a Comparative Analysis of Birth Cohorts.

Journal of epidemiology and global health·2026
Same author

Interactive effects of drought and microplastic particle size on soil bacterial community structure.

Journal of hazardous materials·2026
Same author

Immunological mechanisms of autoimmune gastritis.

Clinical and experimental medicine·2026

Related Experiment Video

Updated: Feb 24, 2026

A Method for Investigating Change Blindness in Pigeons Columba Livia
06:14

A Method for Investigating Change Blindness in Pigeons Columba Livia

Published on: September 7, 2018

6.8K

Alternation blindness in the representation of binary sequences.

Ru Qi Yu1, Daniel Osherson2, Jiaying Zhao3

  • 1Department of Psychology, University of British Columbia.

Journal of Experimental Psychology. Human Perception and Performance
|August 18, 2017
PubMed
Summary

People underestimate sequence alternations compared to repetitions. Increased alternation in binary sequences impairs memory, detection, and processing, highlighting cognitive limits.

More Related Videos

Generating Strictly Controlled Stimuli for Figure Recognition Experiments
05:39

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Published on: March 18, 2019

5.6K
Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

9.6K

Related Experiment Videos

Last Updated: Feb 24, 2026

A Method for Investigating Change Blindness in Pigeons Columba Livia
06:14

A Method for Investigating Change Blindness in Pigeons Columba Livia

Published on: September 7, 2018

6.8K
Generating Strictly Controlled Stimuli for Figure Recognition Experiments
05:39

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Published on: March 18, 2019

5.6K
Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

9.6K

Area of Science:

  • Cognitive Psychology
  • Information Processing
  • Human Perception

Background:

  • Binary information, characterized by two distinct outcomes, is ubiquitous.
  • Binary sequences comprise both alternating and repeating patterns.
  • Understanding perception of these sequences is key to information processing theories.

Purpose of the Study:

  • To investigate how humans process alternation versus repetition in binary sequences.
  • To determine the cognitive impact of sequence alternation on perception and memory.

Main Methods:

  • Employed four experimental paradigms: estimation, working memory, change detection, and visual search.
  • Manipulated the degree of alternation and repetition within binary sequences.
  • Measured performance across tasks assessing sequence encoding and retrieval.

Main Results:

  • Alternations in binary sequences were consistently underestimated compared to repetitions.
  • Recall accuracy for binary sequences decreased significantly with increased alternation.
  • Detection of changes and visual processing speed were negatively impacted by higher alternation rates.

Conclusions:

  • Alternation is less salient than repetition, demanding greater attentional resources for encoding.
  • Reveals cognitive constraints in representing alternating binary information.
  • Offers a novel explanation for the overalternation bias observed in randomness perception.