Class Notes (834,244)
Canada (508,434)
Psychology (5,209)
PSYCH 3F03 (153)
Lecture

lecture 1-.docx

4 Pages
104 Views
Unlock Document

Department
Psychology
Course
PSYCH 3F03
Professor
Paul W Andrews
Semester
Winter

Description
Lecture 1 Adaptationism - Investigating the components of organisms in the light of hypothesis about their adaptive functions o Highlight different ways of explaining different reasons for biological traits - Tinbergen’s four modes of explanations o Proximate causations ( neurochemical, mechanisms )  Feel fear when amygdala gets activated o Ontogeny ( individual development)  How the mechanism developed over the course of the organism  Fertilized egg did not have a fear mechanism but developed later on ( example) o Phylogeny (  Tree of life  Related to each other  Where did the mechanism first evolve o Function (ultimate causation)  Why from a selective stand point the fear mechanism exists  The adaptive consequences that are responsible for the attribute’s having evolved and being maintained … - Adaptationism really about the functional analysis o By using the logic of NS, adaptationism generates interesting predictions about behaviour and cognition that are not otherwise possible o Gives insight into proximate mechanisms - Wedekind et al (1995)  Gave Men White t shirts to wear  Inoculating the t shirts with their sweat  Women to rate the pleasantness of men’s odour  Women divided into pill users or non-pill users • And also divided on MHC genes ( code for immune system factors) • Genotyped Men and Women pair o 0-1 dissimilar o 3-4 MHC similar • In the non-pill users ( MHC dissimilar rated the t shirts as more pleasant) • In pill users ( opposite) o Had ideas about what this affective responses are about  Previous research showed that mates with very similar MHC produced offspring that are disadvantaged  Offspring are unable to handle a variety of pathogens ( restricted when MHC genes are similar )  The Authors of the paper thought that this showed the effect of selection of mates by the females (
More Less

Related notes for PSYCH 3F03

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit