%PDF-1.6
%
1 0 obj
<>
endobj
2 0 obj
<>stream
Sabrina B. Sholts, Joseph A. M. Gingerich, Stefan Schlager, Dennis J. Stanford, Sebastian K. T. S. Wärmländer
Tracing social interactions in Pleistocene North America via 3D model analysis of stone tool asymmetry
www.plosone.org
www.plosone.org
endstream
endobj
3 0 obj
<>/XObject<>>>/CropBox[0 0 612 792]/MediaBox[0 0 612 792]/Parent 11 0 R/Annots 12 0 R/Contents 13 0 R/TrimBox[0 0 612 792]>>
endobj
12 0 obj
[14 0 R 15 0 R 16 0 R 17 0 R 18 0 R 19 0 R 20 0 R 21 0 R 22 0 R 23 0 R 24 0 R 25 0 R 26 0 R 27 0 R 28 0 R 29 0 R]
endobj
14 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref006)>>
endobj
15 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref015)>>
endobj
16 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref017)>>
endobj
17 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref003)>>
endobj
18 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref007)>>
endobj
19 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref007)>>
endobj
20 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref006)>>
endobj
21 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref007)>>
endobj
22 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref004)>>
endobj
23 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref004)>>
endobj
24 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref005)>>
endobj
25 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref018)>>
endobj
26 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.ref019)>>
endobj
27 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.g001)>>
endobj
28 0 obj
<>/Border[0 0 0]/Dest(Rpone.0179933.g002)>>
endobj
29 0 obj
<>/Border[0 0 0]/A 30 0 R>>
endobj
30 0 obj
<>
endobj
13 0 obj
[31 0 R 32 0 R 33 0 R 34 0 R 35 0 R 36 0 R 37 0 R 38 0 R 39 0 R 40 0 R 41 0 R 42 0 R]
endobj
31 0 obj
<>stream
q
0.83 0.64 0.02 0 k
470.1543 615.3449 m
474.9165 615.3449 l
h
f*
404.6173 589.3228 m
414.1417 589.3228 l
h
f*
419.3008 589.3228 m
428.8252 589.3228 l
h
f*
434.211 563.3008 m
438.9732 563.3008 l
h
f*
527.9811 524.2961 m
532.7433 524.2961 l
h
f*
321.2787 433.3039 m
326.0409 433.3039 l
h
f*
361.5874 407.3386 m
366.3496 407.3386 l
h
f*
370.7717 407.3386 m
375.5339 407.3386 l
h
f*
373.4929 394.2992 m
378.2551 394.2992 l
h
f*
381.7701 316.3465 m
386.5323 316.3465 l
h
f*
548.2205 251.3197 m
552.9827 251.3197 l
h
f*
557.4614 251.3197 m
566.9291 251.3197 l
h
f*
554.5134 238.337 m
563.9811 238.337 l
h
f*
221.4992 82.3181 m
226.3181 82.3181 l
h
f*
245.537 82.3181 m
250.2425 82.3181 l
h
f*
0 g
1 j
1 J
0 w
10 0 0 10 200.0125 707.4141 cm
BT
/F5 1 Tf
1 TL
-0.004 Tc
0 0 Td
(Understanding)Tj
6.2758 0 Td
(how)Tj
1.9389 0 Td
(Clovis)Tj
2.7212 0 Td
(point)Tj
2.3585 0 Td
(shape)Tj
2.4831 0 Td
(variation)Tj
3.7984 0 Td
(relates)Tj
2.7779 0 Td
(to)Tj
1.0262 0 Td
(processes)Tj
3.9684 0 Td
(of)Tj
1.0148 0 Td
(cultural)Tj
3.2995 0 Td
(transmission,)Tj
-31.6627 -1.3039 Td
(population)Tj
4.5864 0 Td
(movement,)Tj
4.7451 0 Td
(and)Tj
1.7292 0 Td
(subsistence)Tj
4.7225 0 Td
(adaptation)Tj
4.4843 0 Td
(can)Tj
1.6271 0 Td
(help)Tj
1.9332 0 Td
(illuminate)Tj
4.2973 0 Td
(changes)Tj
3.4072 0 Td
(in)Tj
1.0319 0 Td
(behavior)Tj
-32.5642 -1.2982 Td
(and)Tj
1.7291 0 Td
(technology)Tj
4.6204 0 Td
(during)Tj
2.931 0 Td
(the)Tj
1.4684 0 Td
(peopling)Tj
3.7133 0 Td
(of)Tj
1.0148 0 Td
(the)Tj
1.4684 0 Td
(Americas,)Tj
4.2292 0 Td
(the)Tj
1.4684 0 Td
(last)Tj
1.559 0 Td
(major)Tj
2.6079 0 Td
(colonization)Tj
5.1873 0 Td
(event)Tj
2.3698 0 Td
(in)Tj
-34.367 -1.2983 Td
(human)Tj
3.0784 0 Td
(history.)Tj
-1.8822 -1.2983 Td
(Major)Tj
2.6815 0 Td
(questions)Tj
4.0252 0 Td
(about)Tj
2.4945 0 Td
(Clovis)Tj
2.7155 0 Td
(points)Tj
2.7213 0 Td
(are)Tj
1.4456 0 Td
(how)Tj
1.9389 0 Td
(this)Tj
1.6781 0 Td
(technology)Tj
4.6205 0 Td
(was)Tj
1.7007 0 Td
(acquired,)Tj
3.9232 0 Td
(transmitted,)Tj
-31.1412 -1.3039 Td
(and)Tj
1.7291 0 Td
(modified)Tj
3.8494 0 Td
(across)Tj
2.6759 0 Td
(environments)Tj
5.794 0 Td
(and)Tj
1.7291 0 Td
(over)Tj
1.9729 0 Td
(generations.)Tj
5.0967 0 Td
(Recent)Tj
2.9593 0 Td
(studies)Tj
2.9877 0 Td
(have)Tj
2.0579 0 Td
(produced)Tj
4.0479 0 Td
(differ-)Tj
-34.8999 -1.2982 Td
(ent)Tj
1.491 0 Td
(but)Tj
1.5533 0 Td
(not)Tj
1.5704 0 Td
(necessarily)Tj
4.5354 0 Td
(contradictory)Tj
5.6523 0 Td
(findings,)Tj
3.719 0 Td
(possibly)Tj
3.4412 0 Td
(due)Tj
1.7008 0 Td
(to)Tj
1.0205 0 Td
(the)Tj
1.474 0 Td
(effects)Tj
2.7212 0 Td
(of)Tj
1.0148 0 Td
(multiple)Tj
3.5717 0 Td
(learning)Tj
-33.4656 -1.2983 Td
(strategies)Tj
3.9117 0 Td
(and)Tj
1.7178 0 Td
(evolutionary)Tj
5.2498 0 Td
(mechanisms)Tj
5.1987 0 Td
(on)Tj
1.2642 0 Td
(different)Tj
3.6453 0 Td
(point)Tj
2.3471 0 Td
(features)Tj
3.3392 0 Td
([)Tj
0.83 0.64 0.02 0 k
(6)Tj
0 g
(].)Tj
1.5931 0 Td
(In)Tj
1.0941 0 Td
(quantitative)Tj
4.972 0 Td
(analyses)Tj
-34.333 -1.3039 Td
(of)Tj
1.0147 0 Td
(Clovis)Tj
2.7156 0 Td
(point)Tj
2.3584 0 Td
(size)Tj
1.6895 0 Td
(and)Tj
1.7291 0 Td
(shape,)Tj
2.7099 0 Td
(numerous)Tj
4.303 0 Td
(samples)Tj
3.3845 0 Td
(and)Tj
1.7291 0 Td
(datasets)Tj
3.3562 0 Td
(have)Tj
2.0636 0 Td
(shown)Tj
2.846 0 Td
(continent-wide)Tj
-29.8996 -1.2983 Td
(uniformity)Tj
4.5694 0 Td
(or)Tj
1.0998 0 Td
(regional)Tj
3.4809 0 Td
(variation)Tj
3.7984 0 Td
(attributed)Tj
4.1783 0 Td
(to)Tj
1.0204 0 Td
(drift)Tj
1.9729 0 Td
([)Tj
0.83 0.64 0.02 0 k
(15)Tj
0 g
()Tj
0.83 0.64 0.02 0 k
(17)Tj
0 g
(],)Tj
3.549 0 Td
(whereas)Tj
3.4412 0 Td
(a)Tj
0.6577 0 Td
(recent)Tj
2.7099 0 Td
(geometric)Tj
4.2179 0 Td
(mor-)Tj
-34.6958 -1.2983 Td
(phometrics)Tj
4.7338 0 Td
(\(GM\))Tj
2.5115 0 Td
(analysis)Tj
3.3221 0 Td
(of)Tj
1.0148 0 Td
(30)Tj
1.1736 0 Td
(Clovis)Tj
2.7212 0 Td
(point)Tj
2.3584 0 Td
(assemblages)Tj
5.0513 0 Td
(across)Tj
2.6816 0 Td
(North)Tj
2.6589 0 Td
(America)Tj
3.6453 0 Td
(showed)Tj
-31.8725 -1.3039 Td
(regional)Tj
3.4809 0 Td
(variation)Tj
3.804 0 Td
(attributed)Tj
4.1726 0 Td
(to)Tj
1.0262 0 Td
(environmental)Tj
6.1114 0 Td
(adaptation)Tj
4.4844 0 Td
([)Tj
0.83 0.64 0.02 0 k
(3)Tj
0 g
(].)Tj
1.5987 0 Td
(Using)Tj
2.6022 0 Td
(shape)Tj
2.4831 0 Td
(analysis)Tj
3.3222 0 Td
(via)Tj
1.3777 0 Td
(out-)Tj
-34.4634 -1.2982 Td
(line-based)Tj
4.3086 0 Td
(Fourier)Tj
3.2145 0 Td
(analysis,)Tj
3.5546 0 Td
(which)Tj
2.6475 0 Td
(quantifies)Tj
4.1442 0 Td
(bifacial)Tj
3.0841 0 Td
(asymmetry)Tj
4.6601 0 Td
(in)Tj
1.0319 0 Td
(scar)Tj
1.8084 0 Td
(patterns)Tj
3.4753 0 Td
(originating)Tj
-31.9292 -1.2983 Td
(from)Tj
2.2053 0 Td
(flake)Tj
2.109 0 Td
(removal)Tj
3.4752 0 Td
(during)Tj
2.9253 0 Td
(the)Tj
1.474 0 Td
(reduction)Tj
4.1103 0 Td
(process,)Tj
3.4129 0 Td
(we)Tj
1.3266 0 Td
(have)Tj
2.0579 0 Td
(previously)Tj
4.354 0 Td
(demonstrated)Tj
5.7599 0 Td
(wide-)Tj
-33.2104 -1.3039 Td
(spread)Tj
2.8516 0 Td
(production)Tj
4.7168 0 Td
(uniformity)Tj
4.5694 0 Td
(among)Tj
2.9934 0 Td
(Clovis)Tj
2.7212 0 Td
(points)Tj
2.7213 0 Td
(from)Tj
2.2053 0 Td
(across)Tj
2.6759 0 Td
(the)Tj
1.4683 0 Td
(United)Tj
3.0218 0 Td
(States)Tj
2.5114 0 Td
([)Tj
0.83 0.64 0.02 0 k
(7)Tj
0 g
(].)Tj
-31.2602 -1.2983 Td
(One)Tj
1.9388 0 Td
(possible)Tj
3.4129 0 Td
(explanation)Tj
4.9096 0 Td
(for)Tj
1.3833 0 Td
(this)Tj
1.6781 0 Td
(apparent)Tj
3.7644 0 Td
(disagreement)Tj
5.5842 0 Td
(is)Tj
0.8447 0 Td
(that)Tj
1.7802 0 Td
(shape)Tj
2.4831 0 Td
(and)Tj
1.7291 0 Td
(flake)Tj
2.109 0 Td
(scar)Tj
1.8085 0 Td
(pat-)Tj
-34.6221 -1.2982 Td
(terning)Tj
3.1407 0 Td
(in)Tj
1.0375 0 Td
(Clovis)Tj
2.7156 0 Td
(points)Tj
2.7212 0 Td
(likely)Tj
2.3527 0 Td
(have)Tj
2.0637 0 Td
(different)Tj
3.6566 0 Td
(sources)Tj
3.1918 0 Td
(of)Tj
1.0148 0 Td
(variation.)Tj
4.0309 0 Td
(Shape)Tj
2.5965 0 Td
(is)Tj
0.8447 0 Td
(a)Tj
0.6576 0 Td
(deliberate)Tj
4.1386 0 Td
(and)Tj
-34.1629 -1.2983 Td
(obvious)Tj
3.3505 0 Td
(feature)Tj
2.9877 0 Td
(with)Tj
1.9956 0 Td
(numerous)Tj
4.3086 0 Td
(functional)Tj
4.3086 0 Td
(properties,)Tj
4.5014 0 Td
(while)Tj
2.3698 0 Td
(flake)Tj
2.1089 0 Td
(scar)Tj
1.8085 0 Td
(patterning)Tj
4.3937 0 Td
(is)Tj
0.8447 0 Td
(the)Tj
1.4683 0 Td
(mate-)Tj
-34.4463 -1.3039 Td
(rial)Tj
1.5363 0 Td
(signature)Tj
3.9175 0 Td
(of)Tj
1.0148 0 Td
(the)Tj
1.4683 0 Td
(tools)Tj
2.143 0 Td
(and)Tj
1.7291 0 Td
(techniques)Tj
4.5297 0 Td
(used)Tj
2.058 0 Td
(to)Tj
1.0261 0 Td
(create)Tj
2.5909 0 Td
(shape.)Tj
2.7099 0 Td
(We)Tj
1.61 0 Td
(have)Tj
2.058 0 Td
(previously)Tj
4.354 0 Td
(shown)Tj
2.8459 0 Td
(that)Tj
-35.5915 -1.2983 Td
(ancient)Tj
3.1634 0 Td
(Clovis)Tj
2.7156 0 Td
(flake)Tj
2.1089 0 Td
(scar)Tj
1.8142 0 Td
(patterns)Tj
3.4696 0 Td
(were)Tj
2.1203 0 Td
(significantly)Tj
5.091 0 Td
(less)Tj
1.61 0 Td
(variable)Tj
3.3619 0 Td
(than)Tj
2.0239 0 Td
(those)Tj
2.3414 0 Td
(made)Tj
2.4208 0 Td
(by)Tj
1.1849 0 Td
(a)Tj
0.6519 0 Td
(modern)Tj
-34.0778 -1.2983 Td
(knapper,)Tj
3.753 0 Td
(whose)Tj
2.7212 0 Td
(replicate)Tj
3.6284 0 Td
(points)Tj
2.7155 0 Td
(displayed)Tj
3.9799 0 Td
(no)Tj
1.2755 0 Td
(overall)Tj
2.9027 0 Td
(shape)Tj
2.4831 0 Td
(differences)Tj
4.5694 0 Td
(from)Tj
2.2054 0 Td
(the)Tj
1.4683 0 Td
(authentic)Tj
3.9685 0 Td
(ones)Tj
-35.6709 -1.3039 Td
(from)Tj
2.2053 0 Td
(which)Tj
2.6475 0 Td
(they)Tj
1.9276 0 Td
(were)Tj
2.1203 0 Td
(copied)Tj
2.8856 0 Td
([)Tj
0.83 0.64 0.02 0 k
(7)Tj
0 g
(].)Tj
1.6044 0 Td
(Thus,)Tj
2.4718 0 Td
(we)Tj
1.3266 0 Td
(have)Tj
2.058 0 Td
(proposed)Tj
3.9514 0 Td
(that)Tj
1.7802 0 Td
(Clovis)Tj
2.7212 0 Td
(flake)Tj
2.109 0 Td
(scar)Tj
1.8085 0 Td
(patterns)Tj
3.4696 0 Td
(are)Tj
-35.087 -1.2982 Td
(the)Tj
1.4683 0 Td
(signature)Tj
3.9174 0 Td
(of)Tj
1.0148 0 Td
(a)Tj
0.652 0 Td
(specific)Tj
3.1918 0 Td
(production)Tj
4.7168 0 Td
(technique)Tj
4.1669 0 Td
(passed)Tj
2.846 0 Td
(between)Tj
3.5263 0 Td
(Clovis)Tj
2.7212 0 Td
(knappers)Tj
3.8891 0 Td
(by)Tj
1.1792 0 Td
(means)Tj
2.8063 0 Td
(of)Tj
-36.0961 -1.2983 Td
(social)Tj
2.4547 0 Td
(learning)Tj
3.5263 0 Td
(and)Tj
1.7291 0 Td
(biased)Tj
2.744 0 Td
(transmission)Tj
5.3631 0 Td
([)Tj
0.83 0.64 0.02 0 k
(6)Tj
0 g
(,)Tj
0.83 0.64 0.02 0 k
1.2585 0 Td
(7)Tj
0 g
(].)Tj
1.2643 0 Td
(In)Tj
1.1055 0 Td
(a)Tj
0.6576 0 Td
(subsequent)Tj
4.7055 0 Td
(study)Tj
2.3868 0 Td
(of)Tj
1.0148 0 Td
(intraregional)Tj
5.4028 0 Td
(Clovis)Tj
-33.613 -1.3039 Td
(point)Tj
2.3584 0 Td
(shape)Tj
2.4831 0 Td
(variation,)Tj
4.0252 0 Td
(Eren)Tj
2.1316 0 Td
(and)Tj
1.7348 0 Td
(colleagues)Tj
4.2746 0 Td
([)Tj
0.83 0.64 0.02 0 k
(4)Tj
0 g
(])Tj
1.3776 0 Td
(found)Tj
2.6192 0 Td
(further)Tj
3.0274 0 Td
(support)Tj
3.3222 0 Td
(for)Tj
1.3833 0 Td
(this)Tj
1.6724 0 Td
(interpretation)Tj
5.794 0 Td
(by)Tj
-36.2038 -1.2983 Td
(comparing)Tj
4.575 0 Td
(GM)Tj
1.8255 0 Td
(shape)Tj
2.4832 0 Td
(variables)Tj
3.719 0 Td
(and)Tj
1.7291 0 Td
(a)Tj
0.652 0 Td
(novel)Tj
2.4038 0 Td
(measure)Tj
3.5773 0 Td
(of)Tj
1.0148 0 Td
(flake)Tj
2.1089 0 Td
(scar)Tj
1.8085 0 Td
(boldness.)Tj
4.7168 0 Td
(Clovis)Tj
2.7156 0 Td
(points)Tj
-33.3295 -1.2983 Td
(made)Tj
2.4207 0 Td
(from)Tj
2.211 0 Td
(distinct)Tj
3.2088 0 Td
(stone)Tj
2.3584 0 Td
(outcrops)Tj
3.7361 0 Td
(showed)Tj
3.2485 0 Td
(significant)Tj
4.388 0 Td
(differences)Tj
4.5637 0 Td
(in)Tj
1.0375 0 Td
(shape,)Tj
2.7099 0 Td
(yet)Tj
1.3946 0 Td
(the)Tj
1.4684 0 Td
(production)Tj
-32.7456 -1.2982 Td
(technique)Tj
4.1669 0 Td
(appeared)Tj
3.8664 0 Td
(to)Tj
1.0261 0 Td
(be)Tj
1.1509 0 Td
(the)Tj
1.4683 0 Td
(same)Tj
2.2564 0 Td
(across)Tj
2.6815 0 Td
(the)Tj
1.4684 0 Td
(sample.)Tj
3.2485 0 Td
(These)Tj
2.5625 0 Td
(different)Tj
3.6566 0 Td
(patterns)Tj
3.4753 0 Td
(were)Tj
2.1203 0 Td
(explained)Tj
-33.1481 -1.3039 Td
(by)Tj
1.1792 0 Td
(a)Tj
0.6576 0 Td
(model)Tj
2.7439 0 Td
(involving)Tj
3.9742 0 Td
(two)Tj
1.7121 0 Td
(tiers)Tj
1.9389 0 Td
(of)Tj
1.0148 0 Td
(social)Tj
2.4604 0 Td
(learning)Tj
3.5263 0 Td
(among)Tj
2.9934 0 Td
(Clovis)Tj
2.7212 0 Td
(knappers)Tj
3.8891 0 Td
(at)Tj
0.9524 0 Td
(stone)Tj
2.3585 0 Td
(outcrop)Tj
-32.122 -1.2983 Td
(hubs,)Tj
2.3697 0 Td
(where)Tj
2.6475 0 Td
(point)Tj
2.3585 0 Td
(shape)Tj
2.4831 0 Td
(would)Tj
2.7156 0 Td
(have)Tj
2.0579 0 Td
(diversified)Tj
4.3993 0 Td
(by)Tj
1.1792 0 Td
(processes)Tj
3.9685 0 Td
(of)Tj
1.0148 0 Td
(drift)Tj
1.9729 0 Td
(while)Tj
2.3698 0 Td
(knapping)Tj
4.0138 0 Td
(technique)Tj
-33.5506 -1.2983 Td
(was)Tj
1.6951 0 Td
(maintained)Tj
4.7905 0 Td
(via)Tj
1.3776 0 Td
(conformist)Tj
4.6091 0 Td
(transmission)Tj
5.3631 0 Td
([)Tj
0.83 0.64 0.02 0 k
(4)Tj
0 g
(].)Tj
-16.6392 -1.3039 Td
(In)Tj
1.1111 0 Td
(this)Tj
1.6725 0 Td
(study,)Tj
2.6192 0 Td
(we)Tj
1.3266 0 Td
(extend)Tj
2.9026 0 Td
(our)Tj
1.6271 0 Td
(investigations)Tj
5.7203 0 Td
(of)Tj
1.0148 0 Td
(point)Tj
2.3584 0 Td
(shapes)Tj
2.846 0 Td
(and)Tj
1.7291 0 Td
(flake)Tj
2.1089 0 Td
(scar)Tj
1.8085 0 Td
(patterns)Tj
3.4753 0 Td
(to)Tj
1.0261 0 Td
(fluted)Tj
-34.5427 -1.2982 Td
(point)Tj
2.347 0 Td
(variation)Tj
3.7984 0 Td
(in)Tj
1.0262 0 Td
(the)Tj
1.4626 0 Td
(eastern)Tj
3.0728 0 Td
(United)Tj
3.016 0 Td
(States,)Tj
2.7269 0 Td
(where)Tj
2.6476 0 Td
(the)Tj
1.4626 0 Td
(emergence)Tj
4.5354 0 Td
(of)Tj
1.0035 0 Td
(new)Tj
1.8708 0 Td
(fluted)Tj
2.5229 0 Td
(point)Tj
2.3527 0 Td
(styles)Tj
2.3584 0 Td
(fol-)Tj
-36.2038 -1.2983 Td
(lowing)Tj
2.9366 0 Td
(Clovis)Tj
2.7213 0 Td
(has)Tj
1.542 0 Td
(been)Tj
2.1203 0 Td
(attributed)Tj
4.1726 0 Td
(to)Tj
1.0261 0 Td
(processes)Tj
3.9685 0 Td
(of)Tj
1.0148 0 Td
(regionalization)Tj
6.2192 0 Td
(and)Tj
1.7291 0 Td
(local)Tj
2.0806 0 Td
(environmental)Tj
-29.5311 -1.3039 Td
(adaptation)Tj
4.4843 0 Td
(~)Tj
0.7994 0 Td
(1311.9)Tj
3.3392 0 Td
(kya.)Tj
1.8312 0 Td
(Radiocarbon)Tj
5.3687 0 Td
(dates)Tj
2.2677 0 Td
(associated)Tj
4.2577 0 Td
(with)Tj
1.9955 0 Td
(several)Tj
2.931 0 Td
(of)Tj
1.0148 0 Td
(these)Tj
/F9 1 Tf
2.2564 0 Td
[()]TJ
0.7087 0 Td
[()11()-9()4()11()-9()]TJ
/F5 1 Tf
2.4151 0 Td
(point)Tj
-33.6697 -1.2983 Td
(types)Tj
2.2733 0 Td
(or)Tj
1.0999 0 Td
(groupings)Tj
4.2462 0 Td
(provide)Tj
3.2939 0 Td
(a)Tj
0.6519 0 Td
(chronological)Tj
5.692 0 Td
(framework)Tj
4.6147 0 Td
(to)Tj
1.0262 0 Td
(examine)Tj
3.6 0 Td
(shifts)Tj
2.3243 0 Td
(in)Tj
1.0375 0 Td
(technology)Tj
4.6205 0 Td
([)Tj
0.83 0.64 0.02 0 k
(5)Tj
0 g
(,)Tj
0.83 0.64 0.02 0 k
1.2642 0 Td
(18)Tj
0 g
(].)Tj
-35.7446 -1.2983 Td
(Based)Tj
2.5454 0 Td
(on)Tj
1.2756 0 Td
(a)Tj
0.652 0 Td
(phylogenetic)Tj
5.3234 0 Td
(analysis)Tj
3.3279 0 Td
(of)Tj
1.0148 0 Td
(a)Tj
0.6519 0 Td
(variety)Tj
2.9254 0 Td
(of)Tj
1.0148 0 Td
(shape)Tj
2.4831 0 Td
(characters,)Tj
4.5127 0 Td
(O'Brien)Tj
3.3732 0 Td
(and)Tj
1.7292 0 Td
(colleagues)Tj
4.2803 0 Td
([)Tj
0.83 0.64 0.02 0 k
(19)Tj
0 g
(])Tj
-35.1097 -1.3039 Td
(suggested)Tj
4.0705 0 Td
(that)Tj
1.7801 0 Td
(a)Tj
0.652 0 Td
(rapid)Tj
2.3414 0 Td
(proliferation)Tj
5.2667 0 Td
(of)Tj
1.0148 0 Td
(point)Tj
2.3584 0 Td
(forms)Tj
2.5625 0 Td
(after)Tj
2.0353 0 Td
(~)Tj
0.7994 0 Td
(12,500)Tj
2.8233 0 Td
(BP)Tj
1.3606 0 Td
(was)Tj
1.7008 0 Td
(the)Tj
1.4683 0 Td
(result)Tj
2.4491 0 Td
(of)Tj
1.0148 0 Td
(increased)Tj
-33.698 -1.2982 Td
(experimentation)Tj
6.8257 0 Td
(and)Tj
1.7178 0 Td
(individual)Tj
4.2803 0 Td
(learning)Tj
3.5206 0 Td
(with)Tj
1.9843 0 Td
(environmental)Tj
6.1057 0 Td
(and)Tj
1.7235 0 Td
(subsistence)Tj
4.7111 0 Td
(changes.)Tj
3.6227 0 Td
(Assum-)Tj
-34.4917 -1.2983 Td
(ing)Tj
1.5023 0 Td
(that)Tj
1.7745 0 Td
(flake)Tj
2.1089 0 Td
(scar)Tj
1.8085 0 Td
(patterning)Tj
4.3937 0 Td
(and)Tj
1.7291 0 Td
(point)Tj
2.3584 0 Td
(shape)Tj
2.4832 0 Td
(are)Tj
1.4513 0 Td
(differently)Tj
4.354 0 Td
(affected)Tj
3.3278 0 Td
(by)Tj
1.1849 0 Td
(environmental)Tj
6.1058 0 Td
(factors)Tj
-34.5824 -1.2983 Td
(and)Tj
1.7291 0 Td
(adaptations,)Tj
5.074 0 Td
(we)Tj
1.3266 0 Td
(here)Tj
1.9672 0 Td
(hypothesize)Tj
4.9379 0 Td
(that)Tj
1.7802 0 Td
(1\))Tj
1.0374 0 Td
(when)Tj
2.4038 0 Td
(groups)Tj
2.965 0 Td
(spread)Tj
2.8573 0 Td
(into)Tj
1.8425 0 Td
(new)Tj
1.8766 0 Td
(environments,)Tj
6.015 0 Td
(the)Tj
-35.8126 -1.3039 Td
(degree)Tj
2.8516 0 Td
(of)Tj
1.0148 0 Td
(flake)Tj
2.1089 0 Td
(scar)Tj
1.8085 0 Td
(asymmetry)Tj
4.6602 0 Td
(and)Tj
1.7291 0 Td
(the)Tj
1.4683 0 Td
(degree)Tj
2.8573 0 Td
(of)Tj
1.0148 0 Td
(overall)Tj
2.9027 0 Td
(point)Tj
2.3584 0 Td
(asymmetry)Tj
4.6545 0 Td
(will)Tj
1.6667 0 Td
(change)Tj
3.0387 0 Td
(differ-)Tj
-34.1345 -1.2983 Td
(ently.)Tj
2.4151 0 Td
(Second,)Tj
3.3505 0 Td
(assuming)Tj
4.0025 0 Td
(that)Tj
1.7801 0 Td
(flake)Tj
2.109 0 Td
(scar)Tj
1.8085 0 Td
(symmetry)Tj
4.2236 0 Td
(reflects)Tj
3.0557 0 Td
(a)Tj
0.652 0 Td
(Clovis)Tj
2.7212 0 Td
(knapping)Tj
4.0138 0 Td
(technique)Tj
4.1669 0 Td
(that)Tj
1.7802 0 Td
(was)Tj
-36.0791 -1.2982 Td
(transmitted)Tj
4.8642 0 Td
(and)Tj
1.7348 0 Td
(maintained)Tj
4.7848 0 Td
(via)Tj
1.3776 0 Td
(social)Tj
2.4605 0 Td
(learning,)Tj
3.7474 0 Td
(we)Tj
1.3266 0 Td
(hypothesize)Tj
4.9436 0 Td
(that)Tj
1.7745 0 Td
(2\))Tj
1.0374 0 Td
(during)Tj
2.931 0 Td
(periods)Tj
3.1918 0 Td
(of)Tj
-34.1742 -1.3039 Td
(decreased)Tj
4.1328 0 Td
(social)Tj
2.4605 0 Td
(learning/increased)Tj
7.6365 0 Td
(individual)Tj
4.2859 0 Td
(learning)Tj
3.5263 0 Td
(and)Tj
1.7291 0 Td
(experimentation,)Tj
7.0583 0 Td
(flake)Tj
2.1089 0 Td
(scar)Tj
1.8085 0 Td
(pat-)Tj
-34.7468 -1.2983 Td
(terns)Tj
2.2223 0 Td
(in)Tj
1.0375 0 Td
(fluted)Tj
2.5285 0 Td
(point)Tj
2.3584 0 Td
(styles)Tj
2.364 0 Td
(will)Tj
1.6668 0 Td
(be)Tj
1.1509 0 Td
(more)Tj
2.3414 0 Td
(asymmetric)Tj
4.8925 0 Td
(and)Tj
1.7292 0 Td
(variable.)Tj
-0.01 Tc
-21.0953 -1.2983 Td
(To)Tj
1.3266 0 Td
(test)Tj
1.5817 0 Td
(these)Tj
2.2223 0 Td
(hypotheses,)Tj
4.7792 0 Td
(we)Tj
1.3153 0 Td
(analyzed)Tj
3.6567 0 Td
(a)Tj
0.6463 0 Td
(sample)Tj
2.9877 0 Td
(of)Tj
1.0034 0 Td
(100)Tj
1.6271 0 Td
(fluted)Tj
2.4945 0 Td
(bifaces)Tj
2.8856 0 Td
(of)Tj
0.9978 0 Td
(Clovis)Tj
2.6872 0 Td
(and)Tj
1.7121 0 Td
(post-Clovis)Tj
-33.1197 -1.3039 Td
(styles,)Tj
2.5454 0 Td
(i.e.,)Tj
1.5591 0 Td
(Clovis,)Tj
2.9026 0 Td
(Debert-Vail,)Tj
5.1251 0 Td
(Bull)Tj
1.7971 0 Td
(Brook,)Tj
2.8687 0 Td
(Michaud-Neponset/B)Tj
8.5719 0 Td
(arnes)Tj
2.3244 0 Td
(\(M-N/B\),)Tj
3.9684 0 Td
(and)Tj
1.7122 0 Td
(Crowfield)Tj
-33.3749 -1.2982 Td
(\(Figs)Tj
0.83 0.64 0.02 0 k
2.1486 0 Td
(1)Tj
0 g
0.6916 0 Td
(and)Tj
0.83 0.64 0.02 0 k
1.7122 0 Td
(2)Tj
0 g
(\))Tj
1.0204 0 Td
(using)Tj
2.3641 0 Td
(two)Tj
1.6894 0 Td
(different)Tj
3.6 0 Td
(approaches)Tj
4.6772 0 Td
(for)Tj
1.3719 0 Td
(statistical)Tj
3.8438 0 Td
(shape)Tj
2.4491 0 Td
(analysis)Tj
3.2825 0 Td
(of)Tj
1.0035 0 Td
(bifacial)Tj
3.0387 0 Td
(asymmetry:)Tj
ET
Q
q
1 j
1 J
0 w
576 737.1 m
36 737.1 l
36 737.6 l
576 737.6 l
f*
36 741.2598 107.1496 23.6976 re
W* n
q
107.0929 0 0 23.6409 36 741.3165 cm
q
/I0 Do
Q
Q
Q
q
0 0 612 792 re
W* n
1 j
1 J
0 w
7.9999 0 0 7.9999 223.3133 745.7952 cm
BT
/F0 1 Tf
1 TL
-0.005 Tc
0 0 Td
(Tracing)Tj
3.4937 0 Td
(social)Tj
2.7283 0 Td
(interacti)Tj
3.43 0 Td
(ons)Tj
1.8071 0 Td
(in)Tj
0.978 0 Td
(Pleistocen)Tj
4.5283 0 Td
(e)Tj
0.7654 0 Td
(North)Tj
2.6221 0 Td
(America)Tj
3.8339 0 Td
(via)Tj
1.474 0 Td
(3D)Tj
1.474 0 Td
(model)Tj
2.8914 0 Td
(analysis)Tj
3.763 0 Td
(of)Tj
1.0417 0 Td
(stone)Tj
2.6292 0 Td
(tool)Tj
1.7929 0 Td
(asymmetry)Tj
ET
Q
q
1 j
1 J
0 w
36 48.0002 m
576 48.0002 l
576 47.5002 l
36 47.5002 l
f*
0.83 0.64 0.02 0 k
81.5811 34.9228 m
237.8835 34.9228 l
h
f*
0 g
7.9999 0 0 7.9999 36 36 cm
BT
/F0 1 Tf
1 TL
-0.005 Tc
0 0 Td
(PLOS)Tj
2.8559 0 Td
(ONE)Tj
2.3669 0 Td
(|)Tj
0.83 0.64 0.02 0 k
0.4748 0 Td
(https://doi.or)Tj
5.4142 0 Td
(g/10.137)Tj
3.8198 0 Td
(1/journal.po)Tj
5.1236 0 Td
(ne.01799)Tj
4.089 0 Td
(33)Tj
0 g
2.0906 0 Td
(July)Tj
1.9701 0 Td
(12,)Tj
1.5874 0 Td
(2017)Tj
35.3483 0 Td
(2)Tj
0.7654 0 Td
(/)Tj
0.496 0 Td
(18)Tj
/F7 1 Tf
-0.025 Tc
-66.402 84.0904 Td
(Competing)Tj
4.3795 0 Td
(interests)Tj
3.3307 0 Td
(:)Tj
/F8 1 Tf
0.4819 0 Td
(The)Tj
1.5875 0 Td
(authors)Tj
3.0401 0 Td
(have)Tj
1.963 0 Td
(declared)Tj
-14.7827 -1.3748 Td
(that)Tj
1.6228 0 Td
(no)Tj
1.1693 0 Td
(competing)Tj
4.1599 0 Td
(interests)Tj
ET
endstream
endobj
32 0 obj
<>stream
endstream
endobj
33 0 obj
<>stream
endstream
endobj
34 0 obj
<>stream
endstream
endobj
35 0 obj
<>stream
endstream
endobj
36 0 obj
<>stream
endstream
endobj
37 0 obj
<>stream
endstream
endobj
38 0 obj
<>stream
endstream
endobj
39 0 obj
<>stream
endstream
endobj
40 0 obj
<>stream
endstream
endobj
41 0 obj
<>stream
endstream
endobj
42 0 obj
<>stream
BT
10.3394 82.7156 Td
(exist.)Tj
ET
Q
endstream
endobj
43 0 obj
<>/XObject<>>>/CropBox[0 0 612 792]/MediaBox[0 0 612 792]/Parent 11 0 R/Annots 47 0 R/Contents 48 0 R/TrimBox[0 0 612 792]>>
endobj
45 0 obj
<>stream
xgtGv6w]Q~ww?|]Vޤ
^+QJWLȉ L2f1y'
s{zf
T([OUu}ևC @@ @@ @@ |XU @@ /Pc-f_@@ @@ nr\ZA1\\-[/WPyv,///k<8@ H̉O53|@A؈^-hoii hT,|t"@@ @F(#|aY[Q;M 6b?W?بubҺcRb˗{オ@@ |Xpayy UɘK @ pXYӵok'W?hµHYH @@ 2 j`}/,hp)WA"@o 5BUQ@@ @@ # _. @@ G@(>>v"@@ @@ X̝7;@@ ։ dW2:X6`[ @sA@w8]υUqS}:*ZDc%R
@@ *Du 7X18NbI#h",@@ eFV@7ka, e:f^7r7xX;'S,,//NԊ," zWѪy~z4jx~MUT0&VjӕDkY:cSoT)@G)7Be37Y㺲.z@BbX~<`(LRJRtP)#BzF&ͯkxH%$`Xhph.-TWE(zXUTױ*K6ٸfA˗yw.5%Nj{,#e!cAM-JēЙg@@ @%ι]Y>r/Ebu^%ΧK,h65JFzx]X^H|qi (NƟ誑0g4v0S#݉K\^n)0@VN d݊^]w=>#ި4F>>fIK/,dDIRSZF_Ygs˜P~7KD|8k+sig,~rUDO'
kbQZ$w2fBFAz=5(YAG=GtzI^xc%ҍ{hPϺ+5738USc=QC@ÁРNшSYσbѫ@J,2vGԠXX"U҅Kp`0֊K墲4ZU,V0䖖W.XbtiP
,Bٿ>t*XK@pie4rʥK/^Zx bdĂ._$"H [/q+/z pF̻.]zҥ˗Er/]"BJp\/]rЕK+WXwW~+\r-|eHb!3fއ٣LK1APAq%F,=h4VذlڴϿ0Lo6^0]zkFh* VW7P%Q#YX]j*!QP d%@OB u/Fn{eN| @=
r»W/*L̠"]u(Kumc/8z
^.#ʕثCe0z`j=ʊԄH%WIE
[L6A~S߂@@ 4i@WbcW@̯!@4uÐ'Zi
eRH"@*0ۅSY#RwbSҡflΌYѸjጃwfj;IV hQDTЏJ+1^t~ٍ@eqv~:(]c'eD<Á
O?P#@ T
0W;\Cҁw}tB,g@@ nM7\z"hb@YP;`1&x|i>(f%ߚZݒv@(`i_^G58v+Rx]6BYV
^
W(3k+eUY1m,YʸC5XJB*ۏUab_G!sTZ!z^(1|P٥B!2&Lu3E Yj̥g*%)N[Ɔ!8g*8^K=HE\%|b@JxX﮼۞l&??tON'&fܞYgv37A鉉 8'BU#