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The Seven Sins of Evolutionary Psychology - Konrad Lorenz Institute

The Seven Sins of Evolutionary Psychology - Konrad Lorenz Institute

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A Continuing Critique <strong>of</strong> <strong>Evolutionary</strong> <strong>Psychology</strong>that harvest exteroceptive information (i.e. vision,hearing and touch). <strong>The</strong> ultimate function <strong>of</strong> languageis to symbolize the world in abstractions andto allow us to develop better internal thought for thepursuit <strong>of</strong> our many basic goals and externalizedstrategies for coordinating group activities.Thus, we are able to buffer information about ourrole in the world in much more complex ways thanany other species, but where is the intrinsic, evolutionarily-selected‘module’? How could genetic selectionhave created such dispositions uniquely forthe human mind/brain? Where are the genes for language?Might all the pragmatics have already beenthere before humanoids walked the face <strong>of</strong> the earth?Might the main thing we needed to cross the syntactic-culturalRubicon have been a massive endowment<strong>of</strong> more RAM-type space in the right parts <strong>of</strong>the brain working within the context <strong>of</strong> the mountingmedium <strong>of</strong> cultural evolution?In saying all <strong>of</strong> this, we must again emphasize thatwe certainly agree that there are many specializedfunctions in the adult human cortex. In our originalarticle, we did not aspire to suggest that there werenone. Not for a moment do we believe that higherfaculties are constructed merely from associativenetworks. We think that the cortex has many specialways to construct meaning (BARKLEY 2001). <strong>The</strong>re areintrinsic mirroring processes (RIZZOLATTI/FADIGA/GALLESE/FOGASSI 1996), which may serve as a majorvector in the acquisition <strong>of</strong> language (GALLESE/GOLD-MAN 1998). However, we suggest, along with someothers (LIEBERMAN 2000), that the cortex could donone <strong>of</strong> that—simply none <strong>of</strong> that—without thesupport <strong>of</strong> subcortical systems (and that seems to bea novel perspective for many). We remain perplexedwhy so many scholars are willing to commit themselvesto neurologically unrealistic images <strong>of</strong> humannature, such as the neurobiological and corticalmodularities <strong>of</strong> evolutionary psychology, which arenot yet supported by essentially any sociobiologicaldata. Our main goal was to interject a much greaternote <strong>of</strong> necessary doubt into the intellectual activities<strong>of</strong> recent variants <strong>of</strong> <strong>Evolutionary</strong> <strong>Psychology</strong>.We disagree deeply with the ‘separatist’ cortico–cognitivist position advanced by ATRAN. <strong>The</strong> importance<strong>of</strong> subcortical and limbic systems in humanaffairs has been massively underestimated. When hesays “nothing from work on subcortical emotions…has provided, or hints at providing, the slightest insightinto the cognitive structures and processes discoveredso far”, we suggest this view simply reflectsa dismissive mode <strong>of</strong> inquiry preferred by many intellectualsinterested in the higher human proclivitiesand abilities. <strong>The</strong> subcortical perspective willprovide a great deal once individuals begin to studywhy human minds dwell obsessively on certainthemes when they are hungry, thirsty, cold, sexuallyeager, craving drugs and worrying about their socialattachment concerns. <strong>The</strong>re are bound to be higher‘centers <strong>of</strong> gravity’ for the cognitive elaboration <strong>of</strong>such basic functions (PANKSEPP 1988, 1989), perhapsepigenticially magnified or diminished dependingon early experiences (PANKSEPP 2001a). <strong>The</strong> wholefield <strong>of</strong> biological psychiatry has been based largelyon manipulating subcortical systems, many <strong>of</strong>which directly modulate cortical functions. <strong>The</strong>rewill be a vast new biological–psychiatry revolution<strong>of</strong> even greater magnitude when we learn to manipulateother peptide systems in the subcorticalreaches <strong>of</strong> the brain, especially those that controlspecific emotional and motivational processes(PANKSEPP 1993; 1998a). <strong>The</strong>se molecules will take usto the appetitive core <strong>of</strong> our existence. We will derivewhole new layers <strong>of</strong> deep understanding about theemotional imbalances that are called psychopathologies.Animal models will help us work out many <strong>of</strong>the essential neural details <strong>of</strong> such imbalances, andthereby the sources <strong>of</strong> our everyday likes and dislikesthat continue to be among the most robust sources<strong>of</strong> personality variability, as well as the basis <strong>of</strong> somany <strong>of</strong> our human interactions.<strong>The</strong>re is an ‘affect logic’ to our cognitive activitiesthat has barely been studied empirically (SHAND1920; WIMMER/CIOMPI 1995). We intentionally leftout one phrase (i.e., ‘or neocortical principles <strong>of</strong> generalassociation’) in the above quote because we arenot as committed to a fully associative mode <strong>of</strong> corticalprocessing as some <strong>of</strong> our commentatorswished to impute to us. One can have general-purposelearning functions in the brain which are notsimply based on association-network heuristics(FREEMAN 1999). Aside from a few well-analyzed sensory/perceptualand motor processes, our knowledge<strong>of</strong> how the ‘great intermediate net’ <strong>of</strong> heteromodalcortical tissue operates remains a great mystery. Weare tempted to add that essentially nothing from work<strong>of</strong> <strong>Evolutionary</strong> <strong>Psychology</strong> has provided or hints at providing,lasting insight into the cortico–cognitive structuresand processes that truly exist in the human brain.Still, the evolutionary view can certainly help generatesuch hypotheses (e.g., BARKLEY 2001). If we coulddrop our destructive species-centrism (which nocommentator denied being a problem), we can learnan enormous amount about how the human mind/brain operates (DE WAAL 2001; GALLISTEL/GIBBON2001; PANKSEPP 1998a).Evolution and Cognition ❘ 71 ❘ 2001, Vol. 7, No. 1

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