Levin argues that feminists deny that innate sex differences have anything to do with the basic structure of society.

Limitations of space dictate that we confine ourselves to Miss Stern's most salient comments. First, a preliminary point. Miss Stern says “Levin offers no argument” for why “e happened because of c” implicitly contains an explanatory description, while “c caused e” does not. But surely the remark that we often know that c caused e without knowing why c caused e is just such an argument. Our linguistic intuition suggests that we use the first locution in this case; Miss Stern's (...) evidently does not. Cases of non-diagnostic causal ascriptions do exist, and even ordinary language must provide for them; how it does so is a verbal dispute about English. (shrink)

DNA joining enzymes play an essential role in the maintenance of genomic integrity and stability. Three mammalian genes encoding DNA ligases, LIG1, LIG3 and LIG4, have been identified. Since DNA ligase II appears to be derived from DNA ligase III by a proteolytic mechanism, the three LIG genes can account for the four biochemically distinct DNA ligase activities, DNA ligases I, II, III and IV, that have been purified from mammalian cell extracts. It is probable that the specific cellular roles (...) of these enzymes are determined by the proteins with which they interact. The specific involvement of DNA ligase I in DNA replication is mediated by the non‐catalytic amino‐terminal domain of this enzyme. Furthermore, DNA ligase I participates in DNA base excision repair as a component of a multiprotein complex. Two forms of DNA ligase III are produced by an alternative splicing mechanism. The ubiqitously expressed DNA ligase III‐α forms a complex with the DNA single‐strand break repair protein XRCC1. In contrast, DNA ligase III‐β, which does not interact with XRCC1, is only expressed in male meiotic germ cells, suggesting a role for this isoform in meiotic recombination. At present, there is very little information about the cellular functions of DNA ligase IV. (shrink)

Although eye tracking has been used extensively to assess cognitions for static stimuli, recent research suggests that the link between gaze and cognition may be more tenuous for dynamic stimuli such as videos. Part of the difficulty in convincingly linking gaze with cognition is that in dynamic stimuli, gaze position is strongly influenced by exogenous cues such as object motion. However, tests of the gaze‐cognition link in dynamic stimuli have been done on only a limited range of stimuli often characterized (...) by highly organized motion. Also, analyses of cognitive contrasts between participants have been mostly been limited to categorical contrasts among small numbers of participants that may have limited the power to observe more subtle influences. We, therefore, tested for cognitive influences on gaze for screen‐captured instructional videos, the contents of which participants were tested on. Between‐participant scanpath similarity predicted between‐participant similarity in responses on test questions, but with imperfect consistency across videos. We also observed that basic gaze parameters and measures of attention to centers of interest only inconsistently predicted learning, and that correlations between gaze and centers of interest defined by other‐participant gaze and cursor movement did not predict learning. It, therefore, appears that the search for eye movement indices of cognition during dynamic naturalistic stimuli may be fruitful, but we also agree that the tyranny of dynamic stimuli is real, and that links between eye movements and cognition are highly dependent on task and stimulus properties. (shrink)

I argue against the currently popular view that a radical change in theory affects the meaning of theoretical terms, and hence render pre- and post-shift theories incomparable. I first show how to pose the meaning-change issue without appeal to meanings reified. I contend that arguments against theory-neutral observation languages are faulty, but that even if they were sound, there are semantic devices that allow a theory to refer to the factual basis of a competitor. This suggests a picture of science (...) as the accumulation of truths, with each successive stage being more stable. (shrink)

I argue that 'c' occurs extensionally in 'c caused e' and 'D' occurs extensionally in 'c caused e because c is D'. I claim that this has been insufficiently appreciated because the two contexts are often run together and because it has not been clear that the description D of c is among the referents of an explanatory argument. I argue as well that Hume's analysis of causation is consistent with taking causation to be a relation between single events, and (...) that even if events are eliminated as virtual entities, extensionality holds for all terms in the resulting context. (shrink)

Biomedical and behavioral research may affect strongly held social values and thereby create significant controversy over whether such research should be permitted in the first place. Institutional review boards responsible for protecting the rights and welfare of participants in research are sometimes faced with review of protocols that have significant implications for social policy and the potential for negative social consequences. Although IRB members often raise concerns about potential long-term social implications in protocol review, federal regulations strongly discourage IRBs from (...) considering them in their decisions. Yet IRBs often do consider the social implications of research protocols and sometimes create significant delays in initiating or even prevent such research. The social implications of research are important topics for public scrutiny and professional discussion. This article examines the reasons that the federal regulations preclude IRBs from assessing the social risks of research, and examines alternative approaches that have been used with varying success by national advisory groups to provide such guidance. The article concludes with recommendations for characteristics of a national advisory group that could successfully fulfill this need, including sustainability, independence, diverse and relevant expertise, and public transparency. (shrink)

Defends the ancient thesis that man is a piece of matter, that all his states are physical states, and all his properties physical properties. This is done in a metaphysical framework which accommodates talk of the identity and diversity of such 'virtual entites' as states and properties without being committed to their actual existence.

Quine's arguments for the indeterminacy of translation rest on behaviorist presuppositions [AL 1/29/2004].

In lieu of an abstract, here is a brief excerpt of the content:I Am Not Sure?Paul E. LevinIt was a beautiful Friday morning, a few weeks into the summer. My schedule appeared lighter than usual and I even envisioned leaving work a bit early. Maybe a challenging bike ride before dinner. I was sitting in the chairman’s office having our weekly meeting. One of our junior faculty members called... he needed help. He was on call and a 32–year–old pregnant woman (...) with a displaced femoral neck fracture had just been transferred to our emergency department (ED). Ms. B tripped in her kitchen last evening. She was unable to stand and was brought to the local ED by ambulance.My colleague was concerned that he wouldn’t be able to successfully reduce the fracture. The long–term prognosis of the hip joint depended on a successful reduction of the femoral neck fracture. In addition, there was an ongoing debate in the orthopaedic literature related to the urgency of operative care to prevent osteonecrosis of the femoral head. I reviewed the x–rays, didn’t anticipate a problem and let him know that I would come to the operating room (OR) to assist. “No”, he responded, “I am not comfortable caring for this patient”. I immediately left the office, went to the hospital and assumed care of the patient. Clearly, my plans for a bike ride were gone, but I had the opportunity to help a woman in need of expert orthopaedic care.Ms. B had been admitted to the obstetrical service. She was a 32–year–old woman of Haitian descent who had recently immigrated to the United States. She had very limited English comprehension and her primary spoken languages were French and Creole. She was alone, in a hospital in a foreign country. She was 24 weeks pregnant with her first child and had no other co–morbidities. Her pregnancy had ben progressing uneventfully.When I first met Ms. B she was lying on a stretcher in an observation unit on the obstetrical floor. She appeared frightened. Two orthopaedic residents were present and obtaining consent for surgical repair of the hip. In their minds there was nothing to discuss, the patient had a displaced femoral neck fracture and needed to have surgery immediately. In their minds, no other options were available and obtaining consent would be straightforward. I introduced myself, sat down on a lab stool by the bed and began a conversation. I needed to meet the patient, understand who she was and discuss treatment. I am not sure that obtaining an informed consent is ever “straightforward” when [End Page 14] a doctor is explaining to a patient that they require emergency surgery. This discussion surely would not be easy or straightforward.We utilized a telephone interpretation service. Every question and response required the transfer of the handset between the patient and physician. Ms. B was in pain and frightened. She immediately expressed concern about her pregnancy and her baby. I arranged for her to meet all of the physicians who would possibly be involved in her care and the care of her baby. Each consultant could explain their area of expertise and potential involvement in the care of Ms. B and her child. She met and had an opportunity to talk with the obstetrician on call, a maternal fetal medicine (MFM) fellow and a neonatologist. I supplied the orthopaedic information. I explained the severity of the injury, the risks of osteonecrosis either with or without surgery as well as concerns over non–union and traumatic arthritis of the hip. Undoubtedly, in a healthy 32–year–old woman who wasn’t pregnant, early surgical intervention would be the most appropriate management in hopes of preserving a normal hip joint. We also discussed the possibility of treating her without surgery. She would be administered pain medication, which were known to be safe during pregnancy, and allowed to begin to ambulate with a walker or crutches. I explained potential problems without surgery and what options would be available to treat any problems that developed with her hip after the child was born. Of course, hip fractures in pregnant woman are very rare, and as a result treating a... (shrink)

What rights govern heterosexual and homosexual behaviors? Two distinguished philosophers debate this important issue in Sexual Orientation and Human Rights. Laurence M. Thomas argues that a society which has the constitutional resources to protect hate groups can protect homosexuals without valorizing the homosexual life-style. He defends the view that the Bible cannot warrant the venom that, in the name of religion, is often expressed against homosexuals. Michael E. Levin defends the unorthodox view that the aversion some people experience toward homosexuality (...) deserves respect. He further argues that while homosexuals enjoy the same rights as others to be free of violence and discrimination, they do not have more extensive rights. (shrink)

It is argued that the intuition driving Kripke’s famous version of Wittgenstein’s meaning skepticism is precisely the one that prompted Hume to despair of his bundle theory of the self: there are no necessary connections between distinct mental states. This interpretation is shown to throw light on Wittgenstein’s notorious idea that all proofs “create concepts.” Wittgenstein has invented a new form of skepticism. Personally I am inclined to regard it as the most radical and original skeptical problem that philosophy has (...) seen to date[.] – Saul Kripke. (shrink)

Stem cell science, using both embryonic and a variety of tissue-specific stem cells, is advancing rapidly and offers promise to improve medical care in the future. Yet, with the notable exception of hematopoietic stem cell transplantation, a long-established approach to treating certain cancers of the blood system, this promise is long term and most stem cell research focuses on basic scientific questions or the collection of pre-clinical data. Although some clinical trials are underway, most are focused on safety, and novel (...) effective therapy is likely a long way off. Despite the preliminary nature of most stem cell research, however, numerous clinics around the world offer stem cell “therapies” to patients today outside the context of a clinical trial. Although the number of patients who have received these stem cell-based interventions is unknown, anecdotal reports suggest a substantial population of patients is willing to try them, despite unresolved questions about their safety and efficacy. (shrink)

Many philosophers believe that the faculty of introspection, and the subjective states revealed in introspection, present difficulties to materialism. This paper argues that introspection can be construed physicalistically, and that the states introspected need not be imbued with phenomenally self-revealing qualities. The central argument is that introspected states are identified in terms of the external circumstances in which they occur. It is also argued that this broadly behaviorist perspective can be reconciled with the occurrence of ineffable experiences, and that it (...) presents difficulties for the construal of pleasure offered by classical utilitarianism. (shrink)

This article argues that we could improve the design of research protocols by developing an awareness of and a responsiveness to the social contexts of all the actors in the research enterprise, including subjects, investigators, sponsors, and members of the community in which the research will be conducted. ?Social context? refers to the settings in which the actors are situated, including, but not limited to, their social, economic, political, cultural, and technological features. The utility of thinking about social contexts is (...) introduced and exemplified by the presentation of a hypothetical case in which one central issue is limitation of the probability of injury to subjects by selection of individuals who are not expected to live long enough for the known risks of the study to become manifest as harms. Benefits of such considerations may include enhanced subject satisfaction and cooperation, community acceptance, and improved data quality, among other desirable consequences. (shrink)

This article argues that we could improve the design of research protocols by developing an awareness of and a responsiveness to the social contexts of all the actors in the research enterprise, including subjects, investigators, sponsors, and members of the community in which the research will be conducted. “Social context” refers to the settings in which the actors are situated, including, but not limited to, their social, economic, political, cultural, and technological features. The utility of thinking about social contexts is (...) introduced and exemplified by the presentation of a hypothetical case in which one central issue is limitation of the probability of injury to subjects by selection of individuals who are not expected to live long enough for the known risks of the study to become manifest as harms. Benefits of such considerations may include enhanced subject satisfaction and cooperation, community acceptance, and improved data quality, among other desirable consequences. (shrink)