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Related Concept Videos

Encoding01:19

Encoding

Information enters the brain through encoding, which is the input of information into the memory system. Once sensory information is received from the environment, the brain labels or codes it. The information is then organized with similar information and connected to existing concepts. Encoding occurs through automatic processing and effortful processing.
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...
Improving Translational Accuracy02:07

Improving Translational Accuracy

Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
Improving Translational Accuracy02:07

Improving Translational Accuracy

Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
Buffer Effectiveness02:19

Buffer Effectiveness

Buffer solutions do not have an unlimited capacity to keep the pH relatively constant . Instead, the ability of a buffer solution to resist changes in pH relies on the presence of appreciable amounts of its conjugate weak acid-base pair. When enough strong acid or base is added to substantially lower the concentration of either member of the buffer pair, the buffering action within the solution is compromised.
The buffer capacity is the amount of acid or base that can be added to a given volume...
Spreading of Chromatin Modifications02:25

Spreading of Chromatin Modifications

The histone proteins in the nucleosomes are post-translationally modified (PTM) to increase or decrease access to DNA. The commonly observed PTMs are methylation, acetylation, phosphorylation, and ubiquitination of lysine amino acids in the histone H3 tail region. These histone modifications have specific meaning for the cell. Hence, they are called "histone code". The protein complex involved in histone modification is termed as "reader-writer" complex.
Writers
The writer is an enzyme that can...
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of information more...

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Training Synesthetic Letter-color Associations by Reading in Color
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Increasing interletter spacing facilitates encoding of words.

Manuel Perea1, Pablo Gomez

  • 1Departamento de Metodología, Facultad de Psicología, Universitat de València, Av. Blasco Ibáñez, 21, 46010 València, Spain. mperea@valencia.edu

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Summary

Expanded interletter spacing speeds up word identification by influencing encoding processes, not information quality. This finding has implications for applied settings in visual-word recognition research.

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Area of Science:

  • Cognitive Psychology
  • Psycholinguistics
  • Visual Perception

Background:

  • Prior research indicates faster word identification with increased interletter spacing.
  • The precise mechanism (encoding vs. information quality) remains unclear.

Purpose of the Study:

  • To investigate the impact of interletter spacing on visual-word recognition.
  • To determine if spacing affects encoding speed or the quality of lexical information.

Main Methods:

  • A lexical decision task was employed with five interletter spacing conditions.
  • Ratcliff's diffusion model was fitted to analyze response latencies.

Main Results:

  • Word identification latencies decreased linearly with increased interletter spacing.
  • Diffusion model fits indicated spacing primarily affects encoding processes.

Conclusions:

  • Interletter spacing influences the speed of visual-word encoding, not the quality of stored lexical information.
  • Findings suggest potential applications of controlled interletter spacing in various settings.