Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Psychosexual Stages of Personality: Genital

Psychosexual Stages of Personality: Genital

The genital stage is the final phase of Sigmund Freud's theory of psychosexual development, beginning at puberty, around age 12. During this stage, sexual energy shifts from self-focused interests to external individuals, marking the development of mature adult sexuality. Freud saw this phase as a time of sexual reawakening, with desires directed toward others outside the family. A healthy transition into this stage, according to Freud, signifies the emergence of two key aspects of adult...

You might also read

Related Articles

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

Sort by

Same author

Multiscale characterization of the human claustrum from histology to MRI.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same author

CIVET-Chimp: An automated pipeline for MRI-based cortical surface extraction in chimpanzees.

Neuroimage. Reports·2026

Same author

Organization, fine structure, and stereotaxic maps of the human Bed nucleus of the Stria terminalis.

Imaging neuroscience (Cambridge, Mass.)·2026

Same author

Interfacial coupling of Mn-Mo sulfides with self-N-doped hydrochar enables efficient Cr(VI) removal: Mechanistic elucidation.

Environmental research·2026

Same author

Genome-wide association studies of brain diffusion kurtosis imaging phenotypes.

EBioMedicine·2026

Same author

A flexible semiparametric approach for robust causal inference with invalid instruments and unmeasured confounder.

Statistical methods in medical research·2026

Search research articles

Related Experiment Video

Updated: Mar 27, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

Aberrant Topological Patterns of Structural Cortical Networks in Psychogenic Erectile Dysfunction.

Lu Zhao¹, Min Guan², Xiaobo Zhu³

¹McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University Montreal, QC, Canada.

Frontiers in Human Neuroscience

|January 7, 2016

Summary

Psychogenic erectile dysfunction (pED) is linked to disrupted brain network organization. Graph theory analysis revealed reduced global efficiency and impaired neural integration in pED patients, impacting cognitive and motivational processes for male sexual arousal.

Keywords:

graph theory magnetic resonance imaging male sexual arousal network topology psychogenic erectile dysfunction

More Related Videos

Electroencephalography Network Indices as Biomarkers of Upper Limb Impairment in Chronic Stroke

Electroencephalography Network Indices as Biomarkers of Upper Limb Impairment in Chronic Stroke

Published on: July 14, 2023

How to Measure Cortical Folding from MR Images: a Step-by-Step Tutorial to Compute Local Gyrification Index

How to Measure Cortical Folding from MR Images: a Step-by-Step Tutorial to Compute Local Gyrification Index

Published on: January 2, 2012

Related Experiment Videos

Last Updated: Mar 27, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

Electroencephalography Network Indices as Biomarkers of Upper Limb Impairment in Chronic Stroke

Electroencephalography Network Indices as Biomarkers of Upper Limb Impairment in Chronic Stroke

Published on: July 14, 2023

How to Measure Cortical Folding from MR Images: a Step-by-Step Tutorial to Compute Local Gyrification Index

How to Measure Cortical Folding from MR Images: a Step-by-Step Tutorial to Compute Local Gyrification Index

Published on: January 2, 2012

Area of Science:

Neuroscience
Urology
Network Science

Background:

Male sexual arousal (SA) involves complex neurobehavioral processes across widespread brain regions.
Functional neuroimaging suggests altered brain circuit dynamics in male sexual dysfunction.
The topological organization of structural brain networks in male sexual dysfunction remains unclear.

Purpose of the Study:

To investigate topological properties of large-scale structural brain networks in psychogenic erectile dysfunction (pED) using graph theory.
To identify alterations in brain network organization associated with pED.
To understand the neurobiological underpinnings of pED.

Main Methods:

Graph theory analysis applied to structural brain networks.
Construction of networks based on inter-regional correlations of cortical thickness.
Comparison of network topology between 40 pED patients and 39 healthy controls.

Main Results:

pED patients exhibited less optimal global topological organization compared to controls.
Reduced global efficiency and increased local efficiencies were observed in pED.
Disrupted neural integration among distant brain regions was evident in pED.

Conclusions:

pED is associated with disrupted integrity of large-scale brain networks underlying male SA.
Altered network topology in pED impacts cognitive, motivational, and inhibitory processes.
Findings offer new insights into the pathophysiological mechanisms of pED.