Related Experiment Video
Updated: May 19, 2026
05:03
Social Threat-Safety Test Uncovers Psychosocial Stress-Related Phenotypes
Published on: December 15, 2023
Managing neurobehavioral capability when social expediency trumps biological imperatives
Andrea M Spaeth1, Namni Goel2, David F Dinges2
1Department of Psychology, School of Arts and Sciences, University of Pennsylvania, Philadelphia, PA, USA.
Progress in Brain Research
|August 11, 2012
Summary
Adults face increasing sleep restriction due to social factors, leading to sleep debt and cognitive impairment. Identifying genetic and behavioral markers for sleep loss vulnerability is crucial for managing fatigue.
Area of Science:
- Neuroscience
- Sleep Science
- Genetics
Background:
- Sleep is a conserved biological imperative essential for health.
- Recent decades show increased habitual sleep restriction in adults.
- Social factors like work hours and shift schedules significantly impact sleep duration.
Purpose of the Study:
- To highlight the growing problem of sleep restriction in adults.
- To explain the neurobehavioral consequences of chronic partial sleep restriction.
- To emphasize the need for identifying vulnerability to sleep loss.
Main Methods:
- Review of literature on sleep restriction and its effects.
- Analysis of social factors contributing to reduced sleep duration.
- Discussion of interindividual variability in neurobehavioral responses.
Main Results:
- Chronic partial sleep restriction accumulates sleep debt, increasing sleep propensity.
- Sleep restriction impairs alertness and critical cognitive functions.
- Significant, stable, and phenotypic interindividual variability in responses suggests a genetic basis.
Conclusions:
- Many adults cannot accurately assess their impairment from sleep loss.
- Identifying biological (including genetic) and behavioral markers of vulnerability is critical.
- Developing technological approaches for fatigue management is essential to cope with societal pressures on sleep.
More Related Videos
Related Concept Videos
01:28Causes of Social Behavior III: Biological and Environmental Influences
Social behavior is a complex phenomenon that arises from the interaction between biological predispositions and environmental influences. This intricate interplay shapes how individuals think, feel, and act in various social contexts. Understanding these mechanisms requires insights from psychology, neuroscience, genetics, and evolutionary theory.Environmental Influences on Social BehaviorEnvironmental factors, including temperature, odors, and visual stimuli, play a crucial role in shaping...
01:21Behavior Modification
Behavioral approaches have often been criticized for ignoring mental processes and focusing solely on observable behavior. However, these approaches provide an optimistic perspective for individuals seeking to change their behaviors. Rather than concentrating on intrinsic personality traits, behavioral approaches suggest that even longstanding habits can be modified by changing the reward contingencies that maintain them.
A real-world application of operant conditioning principles is applied...
A real-world application of operant conditioning principles is applied...
01:15Natural Selection and Adaptation
Natural selection, a fundamental concept in evolutionary biology, is the mechanism by which evolution is driven, favoring organisms that are best adapted to their environments. This process enhances their chances of survival and reproduction. Adaptation, a key outcome of this process, involves genetic modifications that optimize an organism's functionality under specific environmental challenges, such as extreme cold or thinner air at high altitudes.
Beyond physical adaptations, psychological...
Beyond physical adaptations, psychological...
01:30Introduction to Biological Bases of Psychology
Biopsychology serves as a vital bridge connecting the intricate domains of biology and psychology, shedding light on how biological systems influence psychological phenomena. This field scrutinizes the biological substrates of behavior and mental processes, emphasizing the nervous system along with the roles of neurotransmitters, hormones, and genetics. It also incorporates evolutionary perspectives to explain the adaptive nature of mental functions.
The nervous system, the cornerstone of...
The nervous system, the cornerstone of...
01:23Criticisms of the Evolutionary Perspective
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
Evolutionary psychology provides one explanation for these findings, suggesting...
01:20Evolutionary Psychology
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the human psyche...