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

Association Areas of the Cortex01:21

Association Areas of the Cortex

9.6K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
9.6K
Quantitative Aspects of Drug-Receptor Interaction01:30

Quantitative Aspects of Drug-Receptor Interaction

1.8K
The receptor occupancy theory connects a drug's response to the number of occupied receptors. With higher drug concentrations, more receptors are occupied, leading to increased responses. The formation of drug-receptor complexes involves association and dissociation rates, which reach equilibrium when the forward and backward reactions are equal. The equilibrium association constant (Ka) and its inverse, the equilibrium dissociation constant (Kd), indicate drug affinity. Higher Ka and lower...
1.8K
Comparing Copy Number Variations and SNPs02:26

Comparing Copy Number Variations and SNPs

18.8K
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
18.8K
Comparative Excretory Systems02:24

Comparative Excretory Systems

26.7K
Animals have evolved different strategies for excretion, the removal of waste from the body. Most waste must be dissolved in water to be excreted, so an animal’s excretory strategy directly affects its water balance.
26.7K
Comparing Experimental Results: Student's t-Test01:09

Comparing Experimental Results: Student's t-Test

6.1K
The t-test is a statistical method used to compare the sample mean with a population mean or compare two means from two data sets. The test statistic is calculated from the standard deviation, mean, and number of measurements in the data set at a selected confidence interval and then compared to a table of critical values at this confidence level. If the test statistic is smaller than the critical value, the null hypothesis is accepted. In this case, we state that the difference between the...
6.1K
Comparing the Survival Analysis of Two or More Groups01:20

Comparing the Survival Analysis of Two or More Groups

619
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
619

You might also read

Related Articles

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

Sort by
Same author

Multidisciplinary ambulatory management of malignant bowel obstruction (MAMBO) program in patients with advanced gynecological cancers: A prospective study.

Gynecologic oncology·2025
Same author

Variation in mortality following hip fracture across the Asia Pacific region: Systematic review and proportional meta-analysis.

Archives of gerontology and geriatrics·2024
Same author

Genomic analysis of inbreeding level, kinship and breed relationships in Creole cattle from South America.

Animal genetics·2024
Same author

Economic evaluation of the Very Early Rehabilitation in SpEech (VERSE) intervention.

Topics in stroke rehabilitation·2023
Same author

Establishing a Chinese older hip fracture registry for older patients: a Delphi study to define the focus and key variables for this registry.

Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·2023
Same author

Single-agent anti-PD-1 or combined with ipilimumab in patients with mucosal melanoma: an international, retrospective, cohort study.

Annals of oncology : official journal of the European Society for Medical Oncology·2022
Same journal

Inhibitory Neurons in Human Anterior Entorhinal Cortex and Some Comparisons With the Rhesus Monkey.

The Journal of comparative neurology·2026
Same journal

In Situ Hybridization Chain Reaction and Immunohistochemical Labeling of the Octopamine Production Pathway in the Central Nervous System of Lymnaea stagnalis.

The Journal of comparative neurology·2026
Same journal

Innervation Pattern of Inhibitory Projection Neurons in the Bird Sound Localization Circuit.

The Journal of comparative neurology·2026
Same journal

Mu Opioid Receptor mRNA and Protein Localization Across the Rat and Mouse Habenula.

The Journal of comparative neurology·2026
Same journal

Proline-Rich Transmembrane Protein 2 Is Variably Expressed Across Excitatory and Inhibitory Neurons in Mouse Motor Circuits.

The Journal of comparative neurology·2026
Same journal

Brain Distribution of Orthopedia (Otp) Transcription Factor in Bony Fish: A Comparative Neuroanatomical Perspective.

The Journal of comparative neurology·2026
See all related articles

Related Experiment Video

Updated: Feb 15, 2026

Author Spotlight: Targeted Microinjection and Electroporation of Primate Cerebral Organoids for Genetic Modification
11:44

Author Spotlight: Targeted Microinjection and Electroporation of Primate Cerebral Organoids for Genetic Modification

Published on: March 24, 2023

5.1K

Comparative aspects of the primate posterior cingulate cortex.

E Armstrong, K Zilles, G Schlaug

    The Journal of Comparative Neurology
    |November 22, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Primate brain evolution shows distinct cortical area differences. Anthropoids have larger outer layers than prosimians, with New World monkeys specializing in specific brain regions.

    More Related Videos

    Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex
    09:00

    Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

    Published on: April 15, 2015

    12.9K
    Dissecting the Non-human Primate Brain in Stereotaxic Space
    09:09

    Dissecting the Non-human Primate Brain in Stereotaxic Space

    Published on: July 16, 2009

    10.6K

    Related Experiment Videos

    Last Updated: Feb 15, 2026

    Author Spotlight: Targeted Microinjection and Electroporation of Primate Cerebral Organoids for Genetic Modification
    11:44

    Author Spotlight: Targeted Microinjection and Electroporation of Primate Cerebral Organoids for Genetic Modification

    Published on: March 24, 2023

    5.1K
    Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex
    09:00

    Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

    Published on: April 15, 2015

    12.9K
    Dissecting the Non-human Primate Brain in Stereotaxic Space
    09:09

    Dissecting the Non-human Primate Brain in Stereotaxic Space

    Published on: July 16, 2009

    10.6K

    Area of Science:

    • Neuroscience
    • Comparative Anatomy
    • Primate Evolution

    Background:

    • The posterior cingulate gyrus (PCG) is crucial for cognitive functions.
    • Cytoarchitectural variations in the PCG may reflect evolutionary divergence among primate taxa.

    Purpose of the Study:

    • To investigate morphometric differences in cytoarchitecturally defined PCG areas across primate taxa.
    • To understand the evolutionary implications of laminar and neuropil proportions in primate brains.

    Main Methods:

    • Comparative analysis of laminar proportions in isocortical (areas 30, 23, 31) and granular retrosplenial cortex (area 29).
    • Examination of neuropil distribution and its relationship with brain weight across primate groups.
    • Statistical comparison of volumetric proportions between prosimians, anthropoids, catarrhines, and platyrrhines.

    Main Results:

    • Significant differences in laminar proportions exist between prosimians and anthropoids in isocortical PCG areas.
    • Anthropoids exhibit larger outer main laminae and granular layers compared to prosimians.
    • Platyrrhines (New World monkeys) show specialization in area 29, with an increased outer main lamina, potentially linked to connectivity.

    Conclusions:

    • Neuropil ratios appear conserved across primate brains, suggesting evolutionary changes favor shifts in volumetric proportions.
    • Distinct evolutionary trajectories for PCG cytoarchitecture are evident between prosimian-anthropoid and platyrrhine-catarrhine divergences.
    • Specialization in area 29 of platyrrhines likely occurred after the establishment of differences in isocortical cingulate regions between prosimians and anthropoids.