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Behavioral Evolution
Lecture Collection | Human Behavioral Biology - S1 - E2
Stanford professor Robert Sapolsky lectures on the biology of behavioral evolution and thoroughly discusses examples such as The Prisoner's Dilemma.
Lecture Collection | Human Behavioral Biology: Season 1 - 25 Episode s
1x1 - Introduction to Human Behavioral Biology
March 29, 2010
Stanford professor Robert Sapolsky gave the opening lecture of the course entitled Human Behavioral Biology and explains the basic premise of the course and how he aims to avoid categorical thinking.
1x2 - Behavioral Evolution
March 31, 2010
Stanford professor Robert Sapolsky lectures on the biology of behavioral evolution and thoroughly discusses examples such as The Prisoner's Dilemma.
1x3 - Behavioral Evolution II
April 2, 2010
Robert Sapolsky continues his two-part series on evolution focusing on individual and kin selection, behavioral logic, competitive infanticide, male/female animal hierarchies, sex-ratio fluctuation, intersexual competition, imprinted genes, sperm competition, inbred-founder populations, group and multi-level selection, and punctuated equilibrium.
1x4 - Molecular Genetics I
April 5, 2010
Robert Sapolsky makes interdisciplinary connections between behavioral biology and molecular genetic influences. He relates protein synthesis and point mutations to microevolutionary change, and discusses conflicting theories of gradualism and punctuated equilibrium and the influence of epigenetics on development theories.
1x5 - Molecular Genetics II
April 7, 2010
Robert Sapolsky continues his series on molecular genetics in which he discusses domains of mutation and various components of natural selection on a molecular level. He also further assesses gradualism and punctuated equilibrium models of evolution, integrating these theories into an interrelated model of development.
1x6 - Behavioral Genetics I
April 12, 2010
Robert Sapolsky introduces a two-part series exploring the controversial scientific practice of inferring behavior to genetics. He covers classical techniques in behavior genetics and flaws, the significance of environmental factors, non genetic inheritance of traits, and multigenerational effects and relationship to epigenetic differences.
1x7 - Behavioral Genetics II
April 14, 2010
Robert Sapolsky continues his series addressing the link between behavior and genetics. He covers the complex endeavor of gene isolation and variability and heritability and wrongly eliminated environmental influences in heritability tests -- finding that genes and environment are infinitely interconnected and co-dependent on each other.
1x8 - Recognizing Relatives
April 16, 2010
Robert Sapolsky discusses various methods of innate recognition of relatives between animals and humans through protein signatures, olfactory cellular mechanisms, cognitive, and sensory processes. He explores the importance of relatedness in animal mating/ovulation cycles and other phenomena that show how organisms identify each other.
1x9 - Ethology
April 19, 2010
Robert Sapolsky looks at the biology of behavior through the ethological lens: observing animals in various natural environments, in their own language. He explores behavioral variety, the importance of gene environment interactions, experimental testing of fixed action patterns, the releasing of informational stimuli, and neuroethology.
1x10 - Introduction to Neuroscience I
April 21, 2010
Nathan Woodling and Anthony Chung-Ming Ng give a broad overview of the field of neuroscience and how it relates to human biology. They discuss the different lobes of the brain and the cells within as well as neuropharmacology and re-uptake.
1x11 - Introduction to Neuroscience II
April 23, 2010
Patrick House discusses memories and how they are formed. Dana Turker then lectures about the autonomic nervous system and its functions.
1x12 - Endocrinology
April 26, 2010
William Peterson and Tom McFadden introduce the field of endocrinology. They explore at the contextual basis of the endocrine system, peptide vs. steroid hormones, the processes by which the brain controls hormones, and hormonal influence on the brain.
1x13 - Advanced Neurology and Endocrinology
April 28, 2010
Robert Sapolsky continues the exploration of endocrinology and neurology. He looks at more complicated systems of communication within neurobiology, the limbic system's role in personality and behavior, abnormal behavior possibilities within these systems, and individual organism variation and imprinting.
1x14 - Limbic System
April 30, 2010
Robert Sapolsky focuses on the role of the limbic system as the emotional component of the nervous system. He explores its influence on decision making, its connection to the cortex, and the various functions of subparts within the limbic system circuitry.
1x15 - Human Sexual Behavior I
May 5, 2010
Robert Sapolsky explores behavioral patterns of human reproduction. He focuses on proximal and distal motivations, orgasm and fertility facilitation, non-reproductive sex, hormonal and cerebral sexual functions, and the differences and similarities between humans and animals in various physiological realms.
1x16 - Human Sexual Behavior II
May 7, 2010
Robert Sapolsky delivers the second part of his two-part lecture on sexual behavior. He discusses how this behavior has evolved into the intricate and complex system that exists today.
1x17 - Human Sexual Behavior III & Aggression I
May 10, 2010
Robert Sapolsky completes his talk on sexual behavior in humans as well as other species, focusing on characteristics that create attractiveness. He then switches subject and talks about human aggression and how this has evolved and developed in different cultures.
1x18 - Aggression II
May 12, 2010
Robert Sapolsky continues his lectures about aggression in humans but also continues to talk about other emotions and what goes on in the brain to cause these various emotions.
1x19 - Aggression III
May 14, 2010
Robert Sapolsky continues his neurobiological exploration of human aggression. He discusses correlations between neurotransmitter prevalence and aggression levels, aggressive activity differences from genetic variance, societal factors and application, amplification from alcohol, and crime and punishment.
1x20 - Aggression IV
May 17, 2010
Professor Robert Sapolsky completes his fourth and final part of a discussion about aggression and violence. He discusses how hormones and evolution have shaped this behavior into the way humans interact today.
1x21 - Chaos and Reductionism
May 19, 2010
Professor Robert Sapolsky gives what he calls "one of the most difficult lectures of the course" about chaos and reductionism. He references a book that he assigned to his students. This lecture focuses on reduction science and breaking things down to their component parts in order to understand them best.
1x22 - Emergence and Complexity
May 21, 2010
Professor Robert Sapolsky gives a lecture on emergence and complexity. He details how a small difference at one place in nature can have a huge effect on a system as time goes on. He calls this idea fractal magnification and applies it to many different systems that exist throughout nature.
1x23 - Language
May 21, 2010
Professor Robert Sapolsky gives a lecture on language. He describes the similarities and differences between different human and animal languages. He focuses on how we use language to communicate with each other, how we communicate with animals, and how animals commute with each other.
1x24 - Schizophrenia
May 26, 2010
Professor Robert Sapolsky finishes his lecture on language and then dives into his discussion about schizophrenia. He discusses environmental factors as well as genetic characteristics that could apply to people who are affected. He describes schizophrenia as a disease of thought disorder and inappropriate emotional attributes.
1x25 - Individual Differences
June 2, 2010
Professor Robert Sapolsky gives the final lecture in the Human Biology 160 class. He uses the lecture to wrap up any loose ends and show how the themes of the class connects without the more complex concepts that were brought up throughout the course.